How far is Portland, ME from Tremont, ME?
The driving distance from Portland, ME to Tremont, ME is about 163.1 miles (262.5 km), with a travel time of about 03h 28m by car.
- The straight-line flight distance is about 103.5 miles (166.5 km).
- For a round trip, plan for roughly 06h 56m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
Gas Cost Calculator
Leave and Arrive Planner
Pick a departure time to see your estimated arrival and same-day return window.
Drive time stays fixed at 03h 28m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
Town in Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Sunny
Driving Route Map
The map below follows the saved road route between Portland and Tremont.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Tremont.
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1
Start on Congress Street
40 m · 12 sec · Congress Street
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2
Turn left onto Elm Street
158 m · 22 sec · Elm Street
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3
Turn right onto Cumberland Avenue
1719 ft · 44 sec · Cumberland Avenue
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4
Turn left onto Franklin Street
1945 ft · 37 sec · Franklin Street
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5
Take the ramp slight right
1614 ft · 39 sec
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6
Merge slight left
46.3 mi · 52 min
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7
Merge slight left onto Maine Turnpike
9.8 mi · 11 min · Maine Turnpike
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8
Take the exit slight right toward ME 3: Augusta, Belfast
767 ft · 26 sec
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9
Keep slight right
834 ft · 20 sec
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10
Merge slight left onto Augusta Bypass
2.5 mi · 4 min · Augusta Bypass
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11
Continue on North Belfast Avenue
8.1 mi · 12 min · North Belfast Avenue
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12
Continue on Belfast Road
1077 ft · 17 sec · Belfast Road
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13
Continue on Route 3
17.6 mi · 21 min · Route 3
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14
Continue on Acadia Highway
4 mi · 4 min · Acadia Highway
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15
Continue on Belfast Augusta Road West
3.4 mi · 4 min · Belfast Augusta Road West
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16
Continue on Augusta Road
4.8 mi · 5 min · Augusta Road
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17
Continue on Belmont Avenue
4 mi · 5 min · Belmont Avenue
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18
Take the exit left
1586 ft · 44 sec
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19
Merge slight left onto Route 1
1.1 km · 1 min · Route 1
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20
Continue on Searsport Avenue
2.7 mi · 5 min · Searsport Avenue
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21
Continue on West Main Street
7 mi · 8 min · West Main Street
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22
Keep slight right to continue on East Main Street
6.3 mi · 8 min · East Main Street
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23
Continue on US Highway 1
1.2 mi · 3 min · US Highway 1
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24
Continue on Route 1
155 m · 12 sec · Route 1
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25
Continue on Route 1
1 mi · 1 min · Route 1
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26
Continue on Acadia Highway
9.4 mi · 11 min · Acadia Highway
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27
Continue on Bucksport Road
8.5 mi · 10 min · Bucksport Road
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28
Continue on West Main Street
1116 ft · 17 sec · West Main Street
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29
Turn right onto Water Street
1.3 km · 1 min · Water Street
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30
Continue on Bayside Road
1 mi · 2 min · Bayside Road
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31
Turn left onto Beechland Road
1 mi · 2 min · Beechland Road
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32
Turn right onto High Street
1.1 km · 1 min · High Street
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33
Continue on Bar Harbor Road
6.7 mi · 12 min · Bar Harbor Road
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34
Turn slight right onto State Highway 102
3.7 mi · 6 min · State Highway 102
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35
Continue on Main Street
7.6 mi · 12 min · Main Street
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36
Continue on Bass Harbor Road
1.4 mi · 3 min · Bass Harbor Road
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37
Continue on Tremont Road
923 ft · 18 sec · Tremont Road
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38
Continue on Tremont Road
2426 ft · 49 sec · Tremont Road
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39
Arrive at your destination
0 m · 1 sec · Tremont Road
Car Route Details
A richer read on the saved driving route between Portland and Tremont.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Franklin Street
Merge slight left
46.3 mi · 00h 52m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Mostly Clear leaving Portland and Sunny near Tremont.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Tremont?
The road trip is about 163.1 miles (262.5 km) and usually takes 03h 28m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Liberty is a useful midpoint, sitting about 81.5 miles from Portland and 81.6 miles from Tremont.
How much longer is the road route than the straight-line distance?
The direct path is about 103.5 miles (166.5 km), while the road route adds roughly 59.6 extra miles because roads do not follow the straight air line.
When is the best time to leave for this route?
A good departure window is usually 6:00 AM to 8:00 AM EDT. If you want a more comfortable same-day return, try to leave by 10:04 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.72 one way or $45.45 round trip. Estimated CO2 is about 51.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around Portland and Sunny near Tremont.
Stop Ideas Near Liberty
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Liberty.
Belfast, Maine
Lincolnville, Maine
Camden/Rockport, Maine
Searsport, Maine
Flight Path Map
This map shows the direct air route between Portland and Tremont. Straight-line distance: 103.43 mi (166.46 km).
#1 Portland
The most populous city in Cumberland County, Maine.
| Population | 66,803 |
| Coordinates | 43.6573700, -70.2589000 |
| Altitude | 19 |
| Country | United States |
#2 Tremont
City in Hancock County, Maine, United States of America
| Population | 1,602 |
| Coordinates | 44.2536900, -68.3514100 |
| Altitude | 6 |
| Country | United States |
End: Tremont (-68.35141, 44.25369)
Estimated Travel Time
Distance: 262 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 26m |
| 40 mph (64.37 km/h) | 04h 04m |
| 50 mph (80.47 km/h) | 03h 15m |
| 60 mph (96.56 km/h) | 02h 43m |
| 70 mph (112.65 km/h) | 02h 19m |
| 80 mph (129 km/h) | 02h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $22.72 | $45.45 |
| Mid-grade | $4.46 | $25.67 | $51.34 |
| Premium | $4.86 | $27.98 | $55.96 |
| Diesel | $6.00 | $34.54 | $69.09 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
Prices in Maine · May 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.