How far is South Portland, ME from Clinton, ME?
The driving distance from South Portland, ME to Clinton, ME is about 86.6 miles (139.4 km), with a travel time of about 01h 41m by car.
- The straight-line flight distance is about 78 miles (125.5 km).
- For a round trip, plan for roughly 03h 22m 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 01h 41m.
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.
Town in Maine, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Light Rain
Light Rain
Driving Route Map
The map below follows the saved road route between South Portland and Clinton.
Turn-by-Turn Driving Directions
Step-by-step road directions between South Portland and Clinton.
-
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
34.7 mi · 38 min · Maine Turnpike
-
9
Take the exit slight right toward Clinton, Burnham
1739 ft · 49 sec
-
10
Keep slight right
59 m · 5 sec
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11
Turn straight onto Hinckley Road
1.3 km · 1 min · Hinckley Road
-
12
Continue on Baker Street
1209 ft · 29 sec · Baker Street
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13
At the end of the road, turn left onto Main Street
795 ft · 26 sec · Main Street
-
14
Turn left onto Railroad Street
83 m · 8 sec · Railroad Street
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15
Arrive at your destination
0 m · 1 sec · Railroad Street
Car Route Details
A richer read on the saved driving route between South Portland and Clinton.
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.
Light Rain leaving South Portland and Light Rain near Clinton.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from South Portland to Clinton?
The road trip is about 86.6 miles (139.4 km) and usually takes 01h 41m 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?
Richmond is a useful midpoint, sitting about 43.3 miles from South Portland and 43.3 miles from Clinton.
How much longer is the road route than the straight-line distance?
The direct path is about 78 miles (125.5 km), while the road route adds roughly 8.6 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 3:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $12.07 one way or $24.14 round trip. Estimated CO2 is about 27.2 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around South Portland and Light Rain near Clinton.
Stop Ideas Near Richmond
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 Richmond.
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Brunswick Maine Street Station
Flight Path Map
This map shows the direct air route between South Portland and Clinton. Straight-line distance: 77.96 mi (125.46 km).
#1 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
#2 Clinton
Town in Kennebec County, Maine, United States
| Population | 3,369 |
| Coordinates | 44.6378400, -69.5031000 |
| Altitude | 40 |
| Country | United States |
End: Clinton (-69.5031, 44.63784)
Estimated Travel Time
Distance: 139 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 53m |
| 40 mph (64.37 km/h) | 02h 09m |
| 50 mph (80.47 km/h) | 01h 43m |
| 60 mph (96.56 km/h) | 01h 26m |
| 70 mph (112.65 km/h) | 01h 14m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $12.07 | $24.14 |
| Mid-grade | $4.46 | $13.64 | $27.28 |
| Premium | $4.86 | $14.87 | $29.73 |
| Diesel | $6.00 | $18.35 | $36.70 |
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 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.