How far is Bowdoinham, ME from South Portland, ME?
The driving distance from Bowdoinham, ME to South Portland, ME is about 36.7 miles (59 km), with a travel time of about 00h 40m by car.
- The straight-line flight distance is about 30.6 miles (49.3 km).
- For a round trip, plan for roughly 01h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 40m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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 Cloudy then Rain Showers Likely
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Bowdoinham and South Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Bowdoinham and South Portland.
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1
Start on Center Street
23 m · 7 sec · Center Street
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2
Turn right onto Main Street
1.5 km · 3 min · Main Street
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3
Continue on State Route 138
2191 ft · 1 min · State Route 138
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4
Take the ramp left
2161 ft · 53 sec
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5
Merge slight left
30.6 mi · 35 min
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6
Take the exit slight right toward US 1A
2130 ft · 1 min
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7
Turn right onto Marginal Way
2795 ft · 1 min · Marginal Way
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8
Continue on State Street
1.6 km · 2 min · State Street
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9
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
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10
Continue on Broadway
1.6 km · 2 min · Broadway
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11
Turn sharp right onto Pine Street
18 m · 3 sec · Pine Street
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12
Arrive at your destination
0 m · 1 sec · Pine Street
Car Route Details
A richer read on the saved driving route between Bowdoinham and South Portland.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
State Route 138
Merge slight left
30.6 mi · 00h 35m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Cloudy then Rain Showers Likely leaving Bowdoinham and Chance Rain Showers near South Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Bowdoinham to South Portland?
The road trip is about 36.7 miles (59 km) and usually takes 00h 40m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Freeport is a useful midpoint, sitting about 18.2 miles from Bowdoinham and 18.5 miles from South Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 30.6 miles (49.3 km), while the road route adds roughly 6.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:08 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $5.09 one way or $10.18 round trip. Estimated CO2 is about 11.5 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Rain Showers Likely around Bowdoinham and Chance Rain Showers near South Portland.
Stop Ideas Near Freeport
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 Freeport.
Freeport
Brunswick Maine Street Station
Bath, Maine
Portland Transportation Center
Flight Path Map
This map shows the direct air route between Bowdoinham and South Portland. Straight-line distance: 30.66 mi (49.34 km).
#1 Bowdoinham
City in Sagadahoc County, Maine, United States of America
| Population | 3,091 |
| Coordinates | 44.0100800, -69.8983800 |
| Altitude | 23 |
| Country | United States |
#2 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
End: Pine Street (-70.240981, 43.641461)
Estimated Travel Time
Distance: 59 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 13m |
| 40 mph (64.37 km/h) | 00h 54m |
| 50 mph (80.47 km/h) | 00h 43m |
| 60 mph (96.56 km/h) | 00h 36m |
| 70 mph (112.65 km/h) | 00h 31m |
| 80 mph (129 km/h) | 00h 27m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $5.09 | $10.18 |
| Mid-grade | $4.46 | $5.75 | $11.50 |
| Premium | $4.86 | $6.27 | $12.53 |
| Diesel | $6.00 | $7.74 | $15.47 |
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.