How far is South Portland, ME from Belfast, ME?
The driving distance from South Portland, ME to Belfast, ME is about 105.6 miles (170 km), with a travel time of about 02h 08m by car.
- The straight-line flight distance is about 81.8 miles (131.7 km).
- For a round trip, plan for roughly 04h 16m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 08m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Human settlement in Kennebec County, Maine, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Mostly Sunny
Driving Route Map
The map below follows the saved road route between South Portland and Belfast.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Portland and Belfast.
-
1
Start on Pine Street
18 m · 10 sec · Pine Street
-
2
Turn sharp left onto Broadway
1.6 km · 2 min · Broadway
-
3
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
-
4
Turn straight onto York Street
785 ft · 19 sec · York Street
-
5
Turn left onto High Street
1.4 km · 2 min · High Street
-
6
Take the ramp slight right toward I 295 North, US 1 North: Falmouth
1360 ft · 33 sec
-
7
Merge slight left
46.8 mi · 53 min
-
8
Merge slight left onto Maine Turnpike
9.8 mi · 11 min · Maine Turnpike
-
9
Take the exit slight right toward ME 3: Augusta, Belfast
767 ft · 26 sec
-
10
Keep slight right
834 ft · 20 sec
-
11
Merge slight left onto Augusta Bypass
2.5 mi · 4 min · Augusta Bypass
-
12
Continue on North Belfast Avenue
8.1 mi · 12 min · North Belfast Avenue
-
13
Continue on Belfast Road
1077 ft · 17 sec · Belfast Road
-
14
Continue on Route 3
17.6 mi · 21 min · Route 3
-
15
Continue on Acadia Highway
4 mi · 4 min · Acadia Highway
-
16
Continue on Belfast Augusta Road West
3.4 mi · 4 min · Belfast Augusta Road West
-
17
Continue on Augusta Road
4.8 mi · 5 min · Augusta Road
-
18
Continue on Belmont Avenue
4.4 mi · 6 min · Belmont Avenue
-
19
Continue on Main Street
1810 ft · 46 sec · Main Street
-
20
Turn right onto High Street
34 m · 2 sec · High Street
-
21
Arrive at your destination
0 m · 1 sec · High Street
Car Route Details
A richer read on the saved driving route between South Portland and Belfast.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 295 North
Merge slight left
46.8 mi · 00h 53m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Mostly Clear leaving South Portland and Mostly Sunny near Belfast.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Portland to Belfast?
The road trip is about 105.6 miles (170 km) and usually takes 02h 08m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Farmingdale is a useful midpoint, sitting about 52.8 miles from South Portland and 52.9 miles from Belfast.
How much longer is the road route than the straight-line distance?
The direct path is about 81.8 miles (131.7 km), while the road route adds roughly 23.8 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 2:14 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $14.71 one way or $29.43 round trip. Estimated CO2 is about 33.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Clear around South Portland and Mostly Sunny near Belfast.
Stop Ideas Near Farmingdale
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 Farmingdale.
Augusta, ME
Wiscasset, Maine
Damariscotta, Maine
Waldoboro, Maine
Flight Path Map
This map shows the direct air route between South Portland and Belfast. Straight-line distance: 81.84 mi (131.71 km).
#1 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
#2 Belfast
City in Maine, United States
| Population | 6,708 |
| Coordinates | 44.4259100, -69.0064200 |
| Altitude | 26 |
| Country | United States |
End: Belfast (-69.00642, 44.42591)
Estimated Travel Time
Distance: 170 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 03h 31m |
| 40 mph (64.37 km/h) | 02h 38m |
| 50 mph (80.47 km/h) | 02h 06m |
| 60 mph (96.56 km/h) | 01h 45m |
| 70 mph (112.65 km/h) | 01h 30m |
| 80 mph (129 km/h) | 01h 19m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $14.71 | $29.43 |
| Mid-grade | $4.46 | $16.62 | $33.25 |
| Premium | $4.86 | $18.12 | $36.24 |
| Diesel | $6.00 | $22.37 | $44.74 |
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 13, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.