Origin
Heidelberg, PA
Afternoon in Heidelberg on Saturday
Local time
4:28 PM
EDT
Current temp
49°F
Unavailable
Live forecast
Trip from Heidelberg, PA to Allentown, PA
Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 18, 2026 · Editorial standards
Drive Time
5h 43m
Distance
288.4 mi
464 km
Drive Score
9/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$48
one way
EV Charging
Unknown
Best Time to Leave
4 AM
5h 30m
★
6 AM
5h 43m
8 AM
6h 10m
10 AM
5h 52m
12 PM
5h 50m
3 PM
5h 54m
5 PM
6h 8m
8 PM
5h 35m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Heidelberg, PA
Joerg Hartmann
Allentown, PA
Wikimedia Commons
Trip Overview
The drive from Heidelberg, PA to Allentown, PA covers 288.4 miles and takes about 5h 43m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Pennsylvania Turnpike, William Penn Highway, American Legion Memorial Highway for much of the mileage, and the overall profile is mostly highway. The longest uninterrupted segment is about 170.5 miles on Pennsylvania Turnpike. At current regular gas prices, budget about $47.81 one way before food or hotel costs.
Trip Pace
Same-day drive is realistic
A same-day return is possible, but it will make for a full day on the road.
Break Rhythm
1 planned break
Plan on a short reset every 3 to 4 hours to stay fresh behind the wheel.
Midpoint
144.2 miles from Heidelberg, PA
A natural place for your longest stop of the day , about 2h 49m into the drive .
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Pennsylvania Turnpike | 170.5 mi | 3h 7m |
| William Penn Highway | 42.8 mi | 50m |
| American Legion Memorial Highway | 22.5 mi | 27m |
| Penn-Lincoln Parkway East | 14.5 mi | 20m |
| I 81 | 12.7 mi | 15m |
| 78th Division Highway | 7.6 mi | 8m |
| Tilghman Street | 4.9 mi | 8m |
| Penn-Lincoln Parkway West | 4.4 mi | 6m |
Longest stretch:
Pennsylvania Turnpike
— 170.5 mi, about 3h 7m
Turn-by-Turn Driving Directions
Step-by-step road directions between Heidelberg, PA and Allentown, PA.
1
Start on Ellsworth Avenue
0.1 mi
·
23 sec
·
Ellsworth Avenue
2
Turn right onto 1st Street
0.2 mi
·
50 sec
·
1st Street
3
Turn left onto PA 50
113 ft
·
10 sec
·
East Railroad Street
4
Continue on PA 50
1.1 mi
·
2 min
·
Washington Avenue
5
Turn right onto Academy Street
0.2 mi
·
45 sec
·
Academy Street
6
Take the ramp
0.2 mi
·
21 sec
Toward I 376 West, I 376 East: Airport, Pittsbugh
7
Keep slight right at fork
0.2 mi
·
28 sec
Toward I 376 East: Pittsburgh
Use the slight right lane.
8
Merge onto I 376; US 22; US 30
4.4 mi
·
6 min
·
Penn-Lincoln Parkway West
Use the slight right lane.
9
Keep slight right at fork onto I 376; US 22; US 30
15 mi
·
20 min
·
Penn-Lincoln Parkway East
Toward I 376 East: Monroeville
Use the straight / slight left lanes.
10
Take the exit
0.2 mi
·
1 min
Exit 85
Toward I 76, PATP: Ohio, Harrisburg
11
Continue on this road
0.2 mi
·
30 sec
·
this road
Use the straight lane.
12
Keep slight right at fork
0.2 mi
·
29 sec
Toward I 76 East: Harrisburg
Use the slight right lane.
13
Merge onto I 76; PATP
170 mi
·
3 hr 7 min
·
Pennsylvania Turnpike
14
Take the exit
0.9 mi
·
2 min
Toward I 81, US 11: Carlisle, Harrisburg
Use the slight right lane.
15
Keep slight left at fork
0.3 mi
·
54 sec
Toward US 11 North: Harrisburg
Use the straight / slight right lanes.
16
Continue on US 11
1.1 mi
·
2 min
·
Harrisburg Pike
Use the straight lane.
17
Take the exit
0.3 mi
·
34 sec
Toward I 81 North: Harrisburg
18
Merge onto I 81
13 mi
·
15 min
·
I 81
Use the straight / right lanes.
19
Take the exit
0.2 mi
·
14 sec
Toward US 11, US 15: Enola, Marysville
20
Keep slight left at fork
0.3 mi
·
28 sec
Toward US 11 North, US 15 North: Marysville
21
Keep slight left at fork
0.4 mi
·
32 sec
22
Merge onto I 81
0.7 mi
·
1 min
·
George N. Wade Memorial Bridge
Use the straight / slight right lanes.
23
Continue on I 81
3.4 mi
·
4 min
·
American Legion Memorial Highway
24
Keep slight left at fork onto I 81
19 mi
·
22 min
·
American Legion Memorial Highway
Use the straight / slight right lanes.
25
Take the exit
0.7 mi
·
45 sec
Exit 89
Toward I 78 East: Allentown
26
Continue on I 78
7.6 mi
·
8 min
·
78th Division Highway
27
Continue on I 78; US 22
43 mi
·
50 min
·
William Penn Highway
Use the straight lane.
28
Keep slight right at fork onto US 22
1.0 mi
·
1 min
·
Lehigh Valley Thruway
Exit 51
Toward US 22 East: Pennsylvania Turnpike, LVI Airport
Use the slight right lane.
29
Take the exit
0.2 mi
·
26 sec
Toward Cetronia
Use the slight right lane.
30
Turn straight onto Tilghman Street
4.9 mi
·
8 min
·
Tilghman Street
Use the straight lane.
31
Arrive at destination
Tilghman Street
Trip Plan
Morning Departure
An early start around 7-8 AM gets you there with plenty of daylight left.
Evening Departure
A late afternoon start means arriving after dark. Morning is better.
You can normally do this drive in one day.
Plan roughly 1 meaningful break for fuel, food, and rest.
The halfway point lands around 144.2 miles from Heidelberg, PA, or about 2h 49m into the drive.
The longest continuous stretch on this route runs about 170.5 miles.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 63 miles or 1h 20m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 144.2 miles or 2h 49m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 4h 38m
Traffic, exits, and arrival timing usually matter more near Allentown, PA than in the middle of the route.
Before You Leave
+
Open the route before leaving Heidelberg, PA so your first major turns are already loaded.
+
Leave with enough water and a charging cable within reach, not packed away.
+
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Heidelberg, PA
This is one driving day of about 288.4 miles and 5h 43m.
Your first comfortable stop window is around 63 miles from Heidelberg, PA.
This route can stay practical as a one-day drive if traffic stays reasonable.
Plan about 1 real break rather than only quick fuel stops.
The longest stretch is on Pennsylvania Turnpike for about 170.5 miles.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Mid-route town
Meal stop
144 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
Pacing Suggestions
Fuel and coffee
A short stop after about 63 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 144.2 miles from Heidelberg, PA, which is a good place for a longer meal and fuel stop.
Before the longest stretch
Fuel checkTop up before Pennsylvania Turnpike if your tank is already low. That segment runs about 170.5 miles.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Heads-up: tricky spots
5 of 245 decision points cluster between mile 1.7 and 282.3 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
8
1.7 mi into trip
|
~5m in
Keep slight right at fork toward I 376 East: Pittsburgh
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 376 East: Pittsburgh
7
6.3 mi into trip
|
~12m in
|
I 376; US 22; US 30 / Penn-Lincoln Parkway East
Keep slight right at fork onto I 376; US 22; US 30 / Penn-Lincoln Parkway East toward I 376 East: Monroeville
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight left lanes.
Toward I 376 East: Monroeville
8
21.2 mi into trip
|
~34m in
Keep slight right at fork toward I 76 East: Harrisburg
Highway fork - watch signs carefully. Lane positioning matters here
Use the slight right lane.
Toward I 76 East: Harrisburg
7
191.9 mi into trip
|
~3h 42m in
Take the exit toward I 81, US 11: Carlisle, Harrisburg
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Toward I 81, US 11: Carlisle, Harrisburg
9
282.3 mi into trip
|
~5h 33m in
|
US 22 / Lehigh Valley Thruway
Keep slight right at fork onto US 22 / Lehigh Valley Thruway toward US 22 East: Pennsylvania Turnpike, LVI Airport
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Use the slight right lane.
Exit 51
Toward US 22 East: Pennsylvania Turnpike, LVI A...
Fuel & Cost
Regular Gas
$47.81 one way
$95.63 round trip
$4.21/gal
25.4 MPG avg
101 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.61 | $52.37 | $104.73 |
| premium | $4.93 | $55.93 | $111.86 |
| diesel | $5.61 | $63.68 | $127.35 |
Estimated Tolls: $22.23
Pennsylvania Turnpike
(170.5 mi)
$22.16
Lehigh Valley Thruway
(1 mi)
$0.07
Toll estimates based on average 2024-2025 rates. EZ-Pass/SunPass discounts may lower the actual cost.
Estimated Trip Cost (one way, 1 person)
Fuel
$48
Tolls
$22
Meals
$25–$50
Total
$95–$120
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 100.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $30 in charging · 1 stop · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 86.5 | 1 | $30.28 | $13.84 |
| Efficient EV | 72.1 | 0 | $25.23 | $11.54 |
| EV Truck/SUV | 115.4 | 1 | $40.38 | $18.46 |
Gas CO2
101 kg
EV CO2
34 kg (66% less)
Plan for 1 charging stop. A 30-minute DC fast charge mid-route should be enough to complete the trip comfortably.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Travel Intel
Current conditions at both ends of the drive.
Destination
Allentown, PA
Afternoon in Allentown on Saturday
Local time
4:28 PM
EDT
Current temp
56°F
Mostly Cloudy
0 mph
0% chance
Live forecast
54°F
Hancock, MD
144 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
7 degrees warmer at arrival
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
5h 43m on the road
An early start around 7-8 AM gets you there with plenty of daylight left.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
National Parks Near This Route
Worth a detour if your schedule allows.
Carlisle Federal Indian Boarding School National Monument
National Monument
More than 7,800 children from 140 Tribes went to the Carlisle School from 1879 to 1918. The National Park Service will collaborate with families, affiliated Tribal Nations, the US Army, historians, an...
2 mi from route
~5 min detour
Free
near mile 189
View on nps.gov
Appalachian National Scenic Trail
National Scenic Trail
The Appalachian Trail is a 2,190+ mile long public footpath that traverses the scenic, wooded, pastoral, wild, and culturally resonant lands of the Appalachian Mountains. Conceived in 1921, built by p...
4 mi from route
~9 min detour
Free
near mile 238.7
View on nps.gov
Flight 93 National Memorial
National Memorial
On Tuesday morning, September 11, 2001, the U.S. came under attack when four commercial airliners were hijacked and used to strike targets on the ground. Nearly 3,000 people tragically lost their live...
7 mi from route
~18 min detour
Free
near mile 89.5
View on nps.gov
Fort Necessity National Battlefield
National Battlefield
The battle at Fort Necessity in the summer of 1754 was the opening action of the French and Indian War. This war was a clash of British, French and American Indian cultures. It ended with the removal...
24 mi from route
~61 min detour
Free
near mile 49.7
View on nps.gov
Johnstown Flood National Memorial
National Memorial
The South Fork Dam failed on Friday, May 31, 1889, and unleashed 20,000,000 tons of water that devastated Johnstown, PA. The flood killed 2,209 people but it brought the nation and the world together...
24 mi from route
~60 min detour
Free
near mile 109.4
View on nps.gov
Park data from the National Park Service API. Alerts update every 2 hours.
What kind of drive is this?
288.4 mi in 5h 43m, mostly highway — 170.5 mi of that is on Pennsylvania Turnpike.
70% highway — fuel and pacing are the main things to plan.
31 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 170.5 mi on Pennsylvania Turnpike.
How Hard Is This Drive?
10/10
This is a straightforward highway drive that stays mostly on Pennsylvania Turnpike and William Penn Highway. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 1.7 miles in.
Driving Effort
10/10
High effort - long or complex enough to need steady focus all day
Balances navigation complexity with total wheel time.
This is a demanding drive. With 24 significant decision points across 288.4 miles, you will need to stay alert - especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
Where does it get tricky?
The main spots that need attention: at 1.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 6.3 miles (I 376; US 22; US 30 / Penn-Lincoln Parkway East): Highway fork - watch signs carefully. Lane positioning matters here; at 21.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Heidelberg, PA and Allentown, PA, road signs point toward Patp: Ohio, Harrisburg and Marysville.
Patp: Ohio
20.8 mi in
|
~32m
Harrisburg
20.8 mi in
|
~32m
Marysville
207.1 mi in
|
~4h 3m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 5h 43m. Total distance: 288.4 miles.
Family Friendly
Moderate complexity with 1 natural rest stops along the way.
Solo Traveler
5h 43m drive, comfortable solo distance.
First-Time Driver
Mostly highway driving (70%). Some complex stretches to watch for.
Frequently Asked Questions
The longest stretch is about 170.5 miles on Pennsylvania Turnpike. The full list of main roads is in the Roads section above.
Expect about $22.23 in tolls one way, starting with Pennsylvania Turnpike. Most Northeast and Midwest toll agencies accept E-ZPass; in the West and Texas, transponders like TxTag or FasTrak apply. If you do not have a transponder, cashless tolling plates will mail a bill to the vehicle's registered address — usually with a surcharge, so a rental-car toll pass is often cheaper than paying by mail.
We did not find dedicated rest areas on this route. For a drive this long, plan bathroom and stretch breaks around gas stations, fast-food stops, or small-town downtowns — check the Nearby Places section for options.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Allentown, PA before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Only with planning. This is a long drive for kids — consider splitting it into two days rather than pushing through. Plan at least 1 meaningful breaks. Dedicated rest areas are limited, so plan gas or food stops as your bathroom breaks.
The main spots that need attention: at 1.7 miles: Highway fork - watch signs carefully. Lane positioning matters here; at 6.3 miles (I 376; US 22; US 30 / Penn-Lincoln Parkway East): Highway fork - watch signs carefully. Lane positioning matters here; at 21.2 miles: Highway fork - watch signs carefully. Lane positioning matters here.
Yes — Carlisle Federal Indian Boarding School National Monument, Appalachian National Scenic Trail and Flight 93 National Memorial (5 total within detour distance). See the National Parks section for detour distances and tips on detours.
Not recommended in a single day. At 5.7 hours each way, a round trip means 11.4 hours of driving — that is an unsafe level of fatigue for most drivers. Plan at least one night at Allentown, PA before the return drive.
How this page is built
Compiled by the Trip.ovh planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and NPS for national parks. See our methodology for refresh cadence and limitations.
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