Origin
South Portland, ME
Late night in South Portland on Monday
Local time
3:57 AM
EDT
Current temp
--
Unavailable
Trip from South Portland, ME to Trenton, ME
Drive Time
3h 10m
Distance
151.3 mi
244 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$24
one way
EV Charging
Loading...
station data
Best Time to Leave
4 AM
2h 58m
★
6 AM
3h 10m
8 AM
3h 33m
10 AM
3h 18m
12 PM
3h 16m
3 PM
3h 19m
5 PM
3h 32m
8 PM
3h 3m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
South Portland, ME
Phil Evenden
Trip Overview
The drive from South Portland, ME to Trenton, ME covers 151.3 miles and takes about 3h 10m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.
The route leans on Broadway, Casco Bay Bridge, York Street for much of the mileage, and the overall profile is turn-heavy local drive. At current regular gas prices, budget about $24.22 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
1 planned break
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
75.7 miles from South Portland, ME
A natural place for your longest stop of the day , about 1h 35m into the drive .
Drive Character
Expect a 3h 10m drive with frequent turns across 151.3 miles of local and secondary roads.
This route has more turning and local-road decision points than a simple highway run.
There are about 35 navigation steps in the underlying route data, so the final approach matters more than the middle miles.
Broadway is one of the defining roads on this drive.
How Hard Is This Drive?
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. Navigation is very simple — set it and forget it for most of the drive.
Route Complexity
1/10
Very easy - short and simple to drive
The drive from South Portland, ME to Trenton, ME is easy. At 3h 10m with 0% highway, most drivers will find it relaxed and low-stress.
Where does it get tricky?
This route does not have any notably tricky sections. Most of the drive from South Portland, ME to Trenton, ME is straightforward, with well-signed roads and simple exits.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Broadway | Unavailable | Refreshing |
| Casco Bay Bridge | Unavailable | Refreshing |
| York Street | Unavailable | Refreshing |
| High Street | Unavailable | Refreshing |
| I 295 North | Unavailable | Refreshing |
| Maine Turnpike | Unavailable | Refreshing |
| ME 3 | Unavailable | Refreshing |
| Augusta Bypass | Unavailable | Refreshing |
Per-road distance and duration are being refreshed from OSRM for this route.
Longest stretch:
Broadway
— detailed segment metrics are refreshing.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Portland, ME and Trenton, ME.
1
Start on Pine Street
59 ft
·
10 sec
·
Pine Street
2
Turn sharp left onto Broadway
1.0 mi
·
1 min
·
Broadway
3
Continue on Casco Bay Bridge
1.1 mi
·
1 min
·
Casco Bay Bridge
4
Turn straight onto York Street
0.1 mi
·
19 sec
·
York Street
5
Turn left onto High Street
0.9 mi
·
1 min
·
High Street
6
Take the ramp slight right toward I 295 North, US 1 North: Falmouth
0.3 mi
·
33 sec
·
I 295 North, US 1 North: Falmouth
7
Merge slight left
47 mi
·
53 min
8
Merge slight left onto Maine Turnpike
9.8 mi
·
10 min
·
Maine Turnpike
9
Take the exit slight right toward ME 3: Augusta, Belfast
0.1 mi
·
26 sec
·
ME 3: Augusta, Belfast
10
Keep slight right
0.2 mi
·
20 sec
11
Merge slight left onto Augusta Bypass
2.5 mi
·
3 min
·
Augusta Bypass
12
Continue on North Belfast Avenue
8.1 mi
·
11 min
·
North Belfast Avenue
13
Continue on Belfast Road
0.2 mi
·
17 sec
·
Belfast Road
14
Continue on Route 3
18 mi
·
21 min
·
Route 3
15
Continue on Acadia Highway
4.0 mi
·
4 min
·
Acadia Highway
16
Continue on Belfast Augusta Road West
3.4 mi
·
3 min
·
Belfast Augusta Road West
17
Continue on Augusta Road
4.8 mi
·
5 min
·
Augusta Road
18
Continue on Belmont Avenue
4.0 mi
·
4 min
·
Belmont Avenue
19
Take the exit left
0.3 mi
·
44 sec
20
Merge slight left onto Route 1
0.7 mi
·
1 min
·
Route 1
21
Continue on Searsport Avenue
2.7 mi
·
4 min
·
Searsport Avenue
22
Continue on West Main Street
7.0 mi
·
8 min
·
West Main Street
23
Keep slight right to continue on East Main Street
6.3 mi
·
7 min
·
East Main Street
24
Continue on US Highway 1
1.2 mi
·
2 min
·
US Highway 1
25
Continue on Route 1
509 ft
·
12 sec
·
Route 1
26
Continue on Route 1
1.0 mi
·
1 min
·
Route 1
27
Continue on Acadia Highway
9.4 mi
·
10 min
·
Acadia Highway
28
Continue on Bucksport Road
8.5 mi
·
9 min
·
Bucksport Road
29
Continue on West Main Street
0.2 mi
·
17 sec
·
West Main Street
30
Turn right onto Water Street
0.8 mi
·
1 min
·
Water Street
31
Continue on Bayside Road
1.0 mi
·
1 min
·
Bayside Road
32
Turn left onto Beechland Road
1.0 mi
·
1 min
·
Beechland Road
33
Turn right onto High Street
0.7 mi
·
1 min
·
High Street
34
Continue on Bar Harbor Road
5.5 mi
·
9 min
·
Bar Harbor Road
35
Arrive at your destination
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 75.7 miles from South Portland, ME, or about 1h 35m into the drive.
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 80 miles or 1h 40m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 75.7 miles or 1h 35m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 2h 35m
Traffic, exits, and arrival timing usually matter more near Trenton, ME than in the middle of the route.
Before You Leave
+
Open the route before leaving South Portland, ME 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 South Portland, ME
This is one driving day of about 151.3 miles and 3h 10m.
Your first comfortable stop window is around 80 miles from South Portland, ME.
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.
Where to Stop
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 75.7 mi from South Portland, ME · 1h 35m into the drive
Mid-route town
Meal stop
76 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 80 miles helps settle the day before fatigue starts building.
Meal break
The midpoint is around 75.7 miles from South Portland, ME, which is a good place for a longer meal and fuel stop.
Arriving in Trenton, ME
The final approach into Trenton, ME 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 Trenton, ME.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Fuel & Cost
Regular Gas
$24.22 one way
$48.44 round trip
$4.07/gal
25.4 MPG avg
53 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $4.46 | $26.55 | $53.10 |
| premium | $4.83 | $28.76 | $57.52 |
| diesel | $5.64 | $33.61 | $67.23 |
Estimated Tolls: $7.00
Bay Bridge
$7.00
Maine Turnpike
$0.00
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
$24
Tolls
$7
Meals
$25–$50
Total
$56–$81
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
Estimated CO2 emission: 52.9 kg one way. Prices: EIA weekly data, 2026-04-06.
Driving Electric?
About $16 in charging · 0 stops · 66% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 45.4 | 0 | $15.89 | $7.26 |
| Efficient EV | 37.8 | 0 | $13.24 | $6.05 |
| EV Truck/SUV | 60.5 | 0 | $21.18 | $9.68 |
Gas CO2
53 kg
EV CO2
18 kg (66% 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.
Destination
Trenton, ME
Late night in Trenton on Monday
Local time
3:57 AM
EDT
Current temp
57°F
Unavailable
Live forecast
Along the Route
43°F
Brunswick, ME
76 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.
Road read
3h 10m 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 South Portland, ME to Trenton, ME covers 151.3 miles and takes about 3h 10m without stops. Add 15-30 minutes for a fuel or rest stop on longer drives.
The main roads are Broadway, Casco Bay Bridge, York Street. Expect a mix of highway and local road driving.
This is a comfortable same-day trip.
The midpoint is about 75.7 miles from South Portland, ME. Look for rest areas, gas stations, or food options near the halfway mark.
At current regular gas prices, expect to spend about $24.22 one way. This estimate uses 25.4 MPG — your actual cost will vary with your vehicle's fuel efficiency and current gas prices.
An early start around 7-8 AM gets you there with plenty of daylight left. A late afternoon start means arriving after dark. Morning is better.
Plan about 1 meaningful break for fuel, food, or rest. A short stop every 2 to 3 hours is enough for this drive.
The drive from South Portland, ME to Trenton, ME is easy. At 3h 10m with 0% highway, most drivers will find it relaxed and low-stress.
This route does not have any notably tricky sections. Most of the drive from South Portland, ME to Trenton, ME is straightforward, with well-signed roads and simple exits.
The route from South Portland, ME to Trenton, ME does not surface many named destination signs beyond the main corridor.
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