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Trip from North Bel Air, MD to Potomac, MD

Drive Time

1h 37m

Distance

71.6 mi

115 km

Drive Score

8/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$12

one way

EV Charging

None

0 DC fast

Best Time to Leave

Save up to 23 min
4 AM
1h 30m ★
6 AM
1h 38m
8 AM
1h 53m
10 AM
1h 43m
12 PM
1h 41m
3 PM
1h 44m
5 PM
1h 52m
8 PM
1h 33m

Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.

Best Time Drive vs Fly
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Downtown North Bel Air, MD, MD

North Bel Air, MD

William Finn

Downtown Potomac, MD, MD

Potomac, MD

Mark Stebnicki

Trip Overview

The drive from North Bel Air, MD to Potomac, MD covers 71.6 miles and takes about 1h 37m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 95, Harbor Tunnel Thruway, Capital Beltway for much of the mileage, and the overall profile is turn-heavy local drive. The longest uninterrupted segment is about 17.7 miles on I 95. At current regular gas prices, budget about $11.85 one way before food or hotel costs.

Trip Pace

Same-day drive is realistic

A same-day return is realistic if you keep stops short.

Break Rhythm

0 planned breaks

A short stop every 2 to 3 hours is enough for this drive.

Midpoint

35.8 miles from North Bel Air, MD

A natural place for your longest stop of the day , about 48m into the drive .

Drive Character

Expect a 1h 37m drive with frequent turns across 71.6 miles of local and secondary roads.

This route has more turning and local-road decision points than a simple highway run.
There are about 27 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
I 95 is the longest continuous segment at about 17.7 miles.

How Hard Is This Drive?

Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 6.4 miles in.

Route Complexity 10/10

High effort - long or complex enough to need steady focus all day

This is a demanding drive. With 19 significant decision points across 71.6 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 6.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 15.2 miles (Express Toll Lanes): Highway fork - watch signs carefully. Lane positioning matters here; at 55 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.

Critical Maneuvers

5 of 19 key points

These are the spots where you need to pay the most attention. Preview them before you drive.

6
6.4 mi into trip | ~10m in

Take the exit toward I 95 South: Baltimore

Exit ramp - move to the correct lane early. Lane positioning matters here

Use the straight / slight right lanes. Toward I 95 South: Baltimore
6
15.2 mi into trip | ~21m in | Express Toll Lanes

Keep slight left at fork onto Express Toll Lanes

Highway fork - watch signs carefully. Lane positioning matters here

Use the slight left lane.
8
55 mi into trip | ~1h 10m in

Take the exit toward I 495 West: Silver Spring, Bethesda, College Park

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight right lane. Exit 27 Toward I 495 West: Silver Spring, Bethesda, Col...
8
65.7 mi into trip | ~1h 25m in

Take the exit toward MD 187: Rockville, Bethesda

Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one

Use the straight / slight right lanes. Exit 36 Toward MD 187: Rockville, Bethesda
9
65.9 mi into trip | ~1h 26m in

Keep slight right at fork toward MD 187 North: Old Georgetown Road, Rockville

Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one

Use the slight left / slight right lanes. Toward MD 187 North: Old Georgetown Road, Rockv...

Towns Along This Route

Between North Bel Air, MD and Potomac, MD, road signs point toward Bethesda, College Park and Rockville.

Bethesda

55 mi in | ~1h 10m

College Park

55 mi in | ~1h 10m

Rockville

65.9 mi in | ~1h 26m

Main Roads

Road Distance Duration
I 95 17.7 mi 20m
Harbor Tunnel Thruway 12 mi 15m
Capital Beltway 9.3 mi 12m
John F. Kennedy Memorial Highway 8.1 mi 9m
Express Toll Lanes 7.7 mi 9m
Vietnam Veterans Memorial Highway 5.2 mi 7m
Democracy Boulevard 4.4 mi 8m
Baltimore Harbor Tunnel 1.4 mi 2m
Longest stretch: I 95 — 17.7 mi, about 20m

Turn-by-Turn Driving Directions

Step-by-step road directions between North Bel Air, MD and Potomac, MD.

1

Start on MD 924

501 ft · 16 sec · North Main Street
2

Continue on US 1 Business; MD 924

0.4 mi · 51 sec · North Bond Street
3

Turn right onto US 1 Business

0.2 mi · 23 sec · Churchville Road
Use the right lane.
4

At end of road, turn right onto US 1 Business

0.5 mi · 1 min · Baltimore Pike
5

Turn left onto MD 24

5.2 mi · 7 min · Vietnam Veterans Memorial Highway
Use the left lane.
6

Take the exit

0.6 mi · 1 min
Toward I 95 South: Baltimore Use the straight / slight right lanes.
7

Merge onto I 95

8.1 mi · 9 min · John F. Kennedy Memorial Highway
Use the straight / slight right lanes.
8

Keep slight left at fork onto Express Toll Lanes

6.5 mi · 7 min · Express Toll Lanes
Use the slight left lane.
9

Keep slight left at fork onto Express Toll Lanes

1.2 mi · 1 min · Express Toll Lanes
Use the slight left lane.
10

Merge onto I 895

3.8 mi · 5 min · Harbor Tunnel Thruway
11

Continue on I 895

1.4 mi · 2 min · Baltimore Harbor Tunnel
12

Continue on I 895

2.2 mi · 3 min · Harbor Tunnel Thruway
Use the straight / slight right lanes.
13

Continue on I 895

0.5 mi · 39 sec · Harbor Tunnel Throughway
14

Keep slight left at fork onto I 895

0.5 mi · 41 sec · Harbor Tunnel Throughway
Use the straight / slight right lanes.
15

Continue on I 895

6.0 mi · 7 min · Harbor Tunnel Thruway
Use the straight / right lanes.
16

Merge onto I 95

18 mi · 20 min · I 95
Use the straight / slight right lanes.
17

Take the exit

0.6 mi · 1 min
Exit 27 Toward I 495 West: Silver Spring, Bethesda, College Park Use the slight right lane.
18

Keep slight right at fork

0.8 mi · 1 min
Toward I 495 West: Silver Spring, Bethesda
19

Merge onto I 495

8.5 mi · 10 min · Capital Beltway
Use the straight / slight right lanes.
20

Keep slight left at fork onto I 495

0.8 mi · 1 min · Capital Beltway
Use the straight / slight right lanes.
21

Take the exit

0.2 mi · 28 sec
Exit 36 Toward MD 187: Rockville, Bethesda Use the straight / slight right lanes.
22

Keep slight right at fork

451 ft · 11 sec
Toward MD 187 North: Old Georgetown Road, Rockville Use the slight left / slight right lanes.
23

Turn straight onto MD 187

0.6 mi · 1 min · Old Georgetown Road
24

Turn left onto Democracy Boulevard

4.4 mi · 8 min · Democracy Boulevard
Use the left lane.
25

Turn left onto MD 189

0.7 mi · 1 min · Falls Road
Use the left lane.
26

Turn left

81 ft · 6 sec
Use the left lane.
27

Arrive at destination

Trip Plan

Morning Departure

Leave by 9 AM and you'll arrive before lunch.

Evening Departure

Even a 4 PM departure gets you there before dark in summer.

You can normally do this drive in one day.
You may only need one short stretch break if traffic stays light.
The halfway point lands around 35.8 miles from North Bel Air, MD, or about 48m into the drive.
The longest continuous stretch on this route runs about 17.7 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 71.6 miles or 1h 37m in

Use this first pause for coffee, a restroom break, and a quick traffic check ahead.

Halfway reset

Around 35.8 miles or 48m in

This is the best place for your longest stop, a real meal, and a full fuel check.

Final approach

Final hour starts around 1h 19m

Traffic, exits, and arrival timing usually matter more near Potomac, MD than in the middle of the route.

Before You Leave

+

Open the route before leaving North Bel Air, MD 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 North Bel Air, MD

This is one driving day of about 71.6 miles and 1h 37m.

Your first comfortable stop window is around 80 miles from North Bel Air, MD.
This route can stay practical as a one-day drive if traffic stays reasonable.
You may only need one short stretch stop if conditions stay smooth.
The longest stretch is on I 95 for about 17.7 miles.

Where to Stop

Rest stops, refuel points, and overnight suggestions along this route.

Halfway Point

Midpoint

About 35.8 mi from North Bel Air, MD · 48m into the drive

Mid-route town

Meal stop

Staten Island, NY

36 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

Rockville, MD

Fuel and coffee

A short stop after about 71.6 miles helps settle the day before fatigue starts building.

Staten Island, NY

Meal break

The midpoint is around 35.8 miles from North Bel Air, MD, which is a good place for a longer meal and fuel stop.

Arriving in Potomac, MD

The final approach into Potomac, MD usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.

Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Potomac, MD.

These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.

National Parks Near This Route

Worth a detour if your schedule allows.

Chesapeake & Ohio Canal National Historical Park

Chesapeake & Ohio Canal National Historical Park

National Historical Park

Preserving America's early transportation history, the C&O Canal began as a dream of passage to Western wealth. Operating for nearly 100 years the canal was a lifeline for communities along the Potoma...

2 mi from route ~6 min detour $20 near mile 71.6
Caution: DC Water Sewer Overflow
Caution: Hiking in Gold Mine Tract
View on nps.gov
Potomac Heritage National Scenic Trail

Potomac Heritage National Scenic Trail

National Scenic Trail

The Potomac River corridor is rich in both history and recreation, offering a chance to both explore your heritage and choose your adventure along the way. Start your journey here!

19 mi from route ~48 min detour Free near mile 71.6
View on nps.gov
Monocacy National Battlefield

Monocacy National Battlefield

National Battlefield

During the summer of 1864, the Confederacy carried out a bold plan to turn the tide of the Civil War in their favor. They planned to capture Washington, DC and influence the election of 1864. On July...

26 mi from route ~64 min detour Free near mile 71.6
View on nps.gov

Park data from the National Park Service API. Alerts update every 2 hours.

Fuel & Cost

Regular Gas

$11.85 one way

$23.70 round trip

$4.20/gal 25.4 MPG avg 25 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.60 $12.96 $25.93
premium $4.92 $13.87 $27.75
diesel $5.64 $15.91 $31.81

Estimated Tolls: $0.84

Harbor Tunnel Thruway (12 mi) $0.84

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

$12

Tolls

$1

Meals

$25–$50

Total

$38–$63

Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.

Estimated CO2 emission: 25.1 kg one way. Prices: EIA weekly data, 2026-04-06.

Driving Electric?

About $8 in charging · 0 stops · 68% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 21.5 0 $7.52 $3.44
Efficient EV 17.9 0 $6.26 $2.86
EV Truck/SUV 28.6 0 $10.02 $4.58

Gas CO2

25 kg

EV CO2

8 kg (68% less)

This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.

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.

Forecast data refreshed 1 day ago

Origin

North Bel Air, MD

Morning in North Bel Air on Monday

Local time

10:43 AM

EDT

Current temp

81°F

Unavailable

Live forecast

Destination

Potomac, MD

Morning in Potomac on Monday

Local time

10:43 AM

EDT

Current temp

64°F

Unavailable

Live forecast

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

17 degrees cooler at arrival

A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.

Road read

1h 37m on the road

Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.

Weather data from the National Weather Service. Conditions may change; check closer to your travel date.

Frequently Asked Questions

The drive from North Bel Air, MD to Potomac, MD covers 71.6 miles and takes about 1h 37m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are I 95, Harbor Tunnel Thruway, Capital Beltway. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 35.8 miles from North Bel Air, MD. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $11.85 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
Leave by 9 AM and you'll arrive before lunch. Even a 4 PM departure gets you there before dark in summer.
This is a demanding drive. With 19 significant decision points across 71.6 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.
The main spots that need attention: at 6.4 miles: Exit ramp - move to the correct lane early. Lane positioning matters here; at 15.2 miles (Express Toll Lanes): Highway fork - watch signs carefully. Lane positioning matters here; at 55 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one.
Between North Bel Air, MD and Potomac, MD, road signs point toward Bethesda, College Park and Rockville.

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