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Trip from Trenton, ME to City of Portland, ME

Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards

Drive Time

3h 32m

Distance

151 mi

243 km

Drive Score

9/10

Great drive

Same Day?

Yes, doable

Fuel Cost

$24

one way

EV Charging

Unknown

Best Time to Leave

Save up to 37 min
4 AM
3h 20m ★
6 AM
3h 32m
8 AM
3h 57m
10 AM
3h 41m
12 PM
3h 38m
3 PM
3h 42m
5 PM
3h 56m
8 PM
3h 25m

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

town in Maine

Trenton, ME

Wikimedia Commons

Downtown City of Portland, ME, ME

City of Portland, ME

Brett Sayles

Trip Overview

The drive from Trenton, ME to City of Portland, ME covers 151 miles and takes about 3h 32m behind the wheel. This route is realistic as a one-day drive if you keep your stops efficient.

The route leans on I 295, Belfast Augusta Road, Route 1 for much of the mileage, and the overall profile is mixed highway & surface. The longest uninterrupted segment is about 46.5 miles on I 295. At current regular gas prices, budget about $24.31 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

75.5 miles from Trenton, ME

A natural place for your longest stop of the day , about 1h 37m into the drive .

Main Roads

Road Distance Duration
I 295 46.5 mi 52m
Belfast Augusta Road 17.6 mi 21m
Route 1 15.2 mi 18m
Acadia Highway 13.4 mi 15m
North Belfast Avenue 9.1 mi 13m
Bucksport Road 8.5 mi 9m
Maine Turnpike 5.9 mi 6m
Bar Harbor Road 5.5 mi 9m
Longest stretch: I 295 — 46.5 mi, about 52m

Turn-by-Turn Driving Directions

Step-by-step road directions between Trenton, ME and City of Portland, ME.

1

Start on ME 3

5.5 mi · 9 min · Bar Harbor Road
Use the straight / right lanes.
2

Continue on ME 3

0.7 mi · 1 min · High Street
3

Turn left onto Beechland Road

1.0 mi · 1 min · Beechland Road
Use the left lane.
4

At end of road, turn right onto ME 230

1.0 mi · 1 min · Bayside Road
5

Continue on ME 230

0.8 mi · 1 min · Water Street
6

Turn left onto US 1; ME 3

0.2 mi · 10 sec · West Main Street
7

Keep slight right at fork onto US 1; ME 3

278 ft · 3 sec · Main Street
8

Continue on US 1; ME 3

8.5 mi · 9 min · Bucksport Road
9

Continue on US 1; ME 3

9.4 mi · 10 min · Acadia Highway
10

Continue on US 1; ME 3; ME 15

1.0 mi · 1 min · Route 1
11

Continue on US 1; ME 3; ME 15

135 ft · 9 sec · Main Street
Use the left lane.
12

Turn left onto US 1; ME 3

0.1 mi · 16 sec · Route 1
Use the left lane.
13

Continue on US 1; ME 3

1.2 mi · 2 min · US Highway 1
14

Continue on US 1; ME 3

13 mi · 15 min · Route 1
15

Continue on US 1; ME 3

2.7 mi · 4 min · Searsport Avenue
16

Continue on US 1; ME 3

0.7 mi · 1 min · Route 1
17

Take the exit onto ME 3

0.3 mi · 38 sec · ME 3
18

Keep slight right at fork onto ME 3

373 ft · 12 sec · ME 3
19

Merge onto ME 3

3.9 mi · 4 min · Belmont Avenue
Use the straight lane.
20

Continue on ME 3

4.8 mi · 5 min · Augusta Road
21

Continue on ME 3

3.4 mi · 3 min · Belfast Augusta Road East
22

Continue on ME 3

4.0 mi · 4 min · Acadia Highway
23

Continue on ME 3

18 mi · 21 min · Belfast Augusta Road
Use the straight lane.
24

Continue on US 202; ME 3; ME 9

0.2 mi · 16 sec · Belfast Road
25

Continue on US 202; ME 3; ME 9

8.1 mi · 11 min · North Belfast Avenue
26

Turn left onto US 202; ME 9

1.0 mi · 1 min · North Belfast Avenue
Use the left lane.
27

At end of road, turn left onto US 201; US 202; ME 9; ME 100

0.6 mi · 52 sec · Bangor Street
28

Enter roundabout onto US 201; US 202; ME 17; ME 100

159 ft · 3 sec · Memorial Drive
29

Continue on US 201; US 202; ME 17; ME 100

0.7 mi · 1 min · Memorial Drive
30

Enter roundabout onto US 201; ME 27

401 ft · 7 sec · State Street
31

Continue on US 201; ME 27

0.2 mi · 19 sec · State Street
32

Turn right onto Capitol Street

0.8 mi · 1 min · Capitol Street
33

Turn straight onto Armory Street

0.2 mi · 20 sec · Armory Street
34

Turn left onto US 202; ME 11; ME 17; ME 100

0.7 mi · 1 min · Western Avenue
35

Take the exit

0.3 mi · 44 sec
Toward I 95: Portland, Waterville, Bangor
36

Keep slight left at fork

0.6 mi · 1 min
Toward I-95 South: Portland, Kittery
37

Merge onto I 95

5.9 mi · 6 min · Maine Turnpike
38

Keep slight right at fork onto I 295

46 mi · 52 min · I 295
Exit 103 Toward I 295 South, ME 9, ME 126: Gardiner, Brunswick Use the straight lane.
39

Take the exit onto US 1A

1.1 mi · 2 min · US 1A
Exit 7 Toward US 1A Use the straight / slight right lanes.
40

Continue on Maine State Pier

0.1 mi · 29 sec · Maine State Pier
Use the straight lane.
41

Turn slight right

187 ft · 13 sec
42

Turn straight onto Portland - Peaks Island

2.5 mi · 20 min · Portland - Peaks Island
43

Continue

213 ft · 15 sec
44

Continue on Welch Street

0.2 mi · 49 sec · Welch Street
45

Turn right onto Oakland Avenue

0.1 mi · 26 sec · Oakland Avenue
46

Turn slight left onto Whitehead Street

351 ft · 15 sec · Whitehead Street
47

Continue on Seashore Avenue

0.2 mi · 46 sec · Seashore Avenue
48

Continue on Seashore Avenue

0.6 mi · 2 min · Seashore Avenue
49

Arrive at destination

Seashore Avenue

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 75.5 miles from Trenton, ME, or about 1h 37m into the drive.
The longest continuous stretch on this route runs about 46.5 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 33 miles or 45m in

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

Halfway reset

Around 75.5 miles or 1h 37m 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 38m

Traffic, exits, and arrival timing usually matter more near City of Portland, ME than in the middle of the route.

Before You Leave

+

Open the route before leaving Trenton, 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 Trenton, ME

This is one driving day of about 151 miles and 3h 32m.

Your first comfortable stop window is around 33 miles from Trenton, 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.
The longest stretch is on I 295 for about 46.5 miles.

Where to Stop

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

city in Maine, United States

Mid-route town

Meal stop

Waterville, ME

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

Bucksport, ME

Fuel and coffee

A short stop after about 33 miles helps settle the day before fatigue starts building.

Waterville, ME

Meal break

The midpoint is around 75.5 miles from Trenton, ME, which is a good place for a longer meal and fuel stop.

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 20

5 decision points cluster between mile 6.2 and 146 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.

6
6.2 mi into trip | ~11m in | Beechland Road

Turn left onto Beechland Road

Lane positioning matters here

Use the left lane.
7
28.1 mi into trip | ~38m in | US 1; ME 3 / Route 1

Turn left onto US 1; ME 3 / Route 1

Lane positioning matters here

Use the left lane.
6
93 mi into trip | ~2h 3m in

Keep slight left at fork toward I-95 South: Portland, Kittery

Highway fork - watch signs carefully. Multiple destination signs - pick the right one

Toward I-95 South: Portland, Kittery
9
99.6 mi into trip | ~2h 11m in | I 295

Keep slight right at fork onto I 295 toward I 295 South, ME 9, ME 126: Gardiner, Brunswick

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

Use the straight lane. Exit 103 Toward I 295 South, ME 9, ME 126: Gardiner, Bru...
7
146 mi into trip | ~3h 4m in | US 1A

Take the exit onto US 1A toward US 1A

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

Use the straight / slight right lanes. Exit 7 Toward US 1A

Fuel & Cost

Regular Gas

$24.31 one way

$48.62 round trip

$4.09/gal 25.4 MPG avg 53 kg CO2
Fuel Type $/gal One Way Round Trip
midgrade $4.50 $26.75 $53.49
premium $4.86 $28.92 $57.83
diesel $5.61 $33.34 $66.68

Estimated Tolls: $0.36

Maine Turnpike (5.9 mi) $0.36

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

$0

Meals

$25–$50

Total

$50–$75

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

Estimated CO2 emission: 52.8 kg one way. Prices: EIA weekly data, 2026-04-13.

Driving Electric?

About $16 in charging · 0 stops · 66% less CO2

Vehicle Type kWh Stops DC Fast Home Charge
Average EV 45.3 0 $15.85 $7.25
Efficient EV 37.8 0 $13.21 $6.04
EV Truck/SUV 60.4 0 $21.14 $9.66

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.

Forecast as of Apr 16, 2026

Origin

Trenton, ME

Afternoon in Trenton on Sunday

Local time

2:29 PM

EDT

Current temp

50°F

Unavailable

Live forecast

Destination

City of Portland, ME

Afternoon in City of Portland on Sunday

Local time

2:29 PM

EDT

Current temp

43°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

7 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

3h 32m 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.

What kind of drive is this?

151 mi in 3h 32m — 47% highway, the rest on surface roads. Biggest road: I 295.

47% highway, the rest on surface roads — varied driving throughout.
49 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 46.5 mi on I 295.

How Hard Is This Drive?

10/10

This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 6.2 miles in near Beechland Road.

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 20 significant decision points across 151 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 6.2 miles (Beechland Road): Lane positioning matters here; at 28.1 miles (US 1; ME 3 / Route 1): Lane positioning matters here; at 93 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.

Elevation Profile

Mostly flat terrain

532 ft 21 ft

Total Climb

619 ft

Total Descent

658 ft

Highest Point

532 ft

~64.7 mi in

Elevation Range

511 ft

Towns Mentioned on Route Signs

Based on OSRM destination-sign hints, not a full list of every settlement the road passes.

Between Trenton, ME and City of Portland, ME, road signs point toward Waterville, Bangor, Kittery and Brunswick.

Waterville

92.7 mi in | ~2h 2m

Bangor

92.7 mi in | ~2h 2m

Kittery

93 mi in | ~2h 3m

Brunswick

99.6 mi in | ~2h 11m | via I 295

Who Is This Route For?

Weekend Trip

Doable as a same-day drive at 3h 32m. Total distance: 151 miles.

Family Friendly

Moderate complexity with 1 natural rest stops along the way.

Solo Traveler

3h 32m drive, comfortable solo distance.

Frequently Asked Questions

The longest stretch is about 46.5 miles on I 295. The full list of main roads is in the Roads section above.

Expect about $0.36 in tolls one way, starting with Maine 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 City of Portland, ME 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.

Mostly yes along the main roads, but rural stretches through ME can have sparse or no coverage. Before you leave, download offline Google Maps or Apple Maps for the route, and consider downloading music or podcasts instead of streaming. If you depend on data for navigation, keep a paper backup of the turn-by-turn directions.

The main spots that need attention: at 6.2 miles (Beechland Road): Lane positioning matters here; at 28.1 miles (US 1; ME 3 / Route 1): Lane positioning matters here; at 93 miles: Highway fork - watch signs carefully. Multiple destination signs - pick the right one.

Possible but tiring. At 3.5 hours each way, an in-and-out day trip would put you behind the wheel for 7.1 hours — manageable with a long break at City of Portland, ME, but most travelers stay overnight.

How this page is built

Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.

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