How far is Topsham, ME from City of Portland, ME?
The driving distance from Topsham, ME to City of Portland, ME is about 31.3 miles (50.3 km), with a travel time of about 04h 38m by car.
- The straight-line flight distance is about 21.6 miles (34.8 km).
- For a round trip, plan for roughly 09h 16m 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 04h 38m.
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.
Census-designated place in Cumberland County, Maine
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Sunny
Driving Route Map
The map below follows the saved road route between Topsham and City of Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Topsham and City of Portland.
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1
Start on Winter Street
14 m · 7 sec · Winter Street
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2
Turn left onto Mallett Drive
80 m · 9 sec · Mallett Drive
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3
Keep slight right to continue on Mallett Drive
1.2 km · 2 min · Mallett Drive
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4
Turn left onto Lewiston Road
2616 ft · 1 min · Lewiston Road
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5
Turn left onto I 295 South: Portland
2705 ft · 1 min
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6
Merge slight left
24.5 mi · 29 min
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7
Take the exit slight right toward US 1A
1.1 mi · 3 min
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8
Continue on Maine State Pier
668 ft · 29 sec · Maine State Pier
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9
Turn slight right
57 m · 14 sec
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10
Turn straight onto Portland - Peaks Island
2.5 mi · 20 min · Portland - Peaks Island
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11
Continue straight
65 m · 16 sec
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12
Continue on Welch Street
1078 ft · 50 sec · Welch Street
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13
Turn right onto Oakland Avenue
594 ft · 26 sec · Oakland Avenue
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14
Turn slight left onto Whitehead Street
107 m · 15 sec · Whitehead Street
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15
Continue on Seashore Avenue
1046 ft · 46 sec · Seashore Avenue
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16
Continue on Seashore Avenue
3044 ft · 2 min · Seashore Avenue
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17
Arrive at your destination
0 m · 1 sec · Seashore Avenue
Car Route Details
A richer read on the saved driving route between Topsham and City of Portland.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
I 295 South
Merge slight left
24.5 mi · 00h 29m
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 Sunny leaving Topsham and Sunny near City of Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Topsham to City of Portland?
The road trip is about 31.3 miles (50.3 km) and usually takes 04h 38m 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?
Yarmouth is a useful midpoint, sitting about 15.6 miles from Topsham and 15.7 miles from City of Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 21.6 miles (34.8 km), while the road route adds roughly 9.7 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 7:44 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.34 one way or $8.68 round trip. Estimated CO2 is about 9.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Topsham and Sunny near City of Portland.
Stop Ideas Near Yarmouth
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 Yarmouth.
Freeport
Portland Transportation Center
Brunswick Maine Street Station
Bath, Maine
Flight Path Map
This map shows the direct air route between Topsham and City of Portland. Straight-line distance: 21.62 mi (34.8 km).
#1 Topsham
Town in Maine, United States
| Population | 8,942 |
| Coordinates | 43.9275800, -69.9758800 |
| Altitude | 40 |
| Country | United States |
#2 City of Portland
The twenty-eighth most populous city in the United States and the center of the Portland metropolitan area.
| Population | 653,115 |
| Coordinates | 43.6470800, -70.1682300 |
| Altitude | 36 |
| Country | United States |
End: Seashore Avenue (-70.181795, 43.65347)
Estimated Travel Time
Distance: 50 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 02m |
| 40 mph (64.37 km/h) | 00h 46m |
| 50 mph (80.47 km/h) | 00h 37m |
| 60 mph (96.56 km/h) | 00h 31m |
| 70 mph (112.65 km/h) | 00h 26m |
| 80 mph (129 km/h) | 00h 23m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $4.34 | $8.68 |
| Mid-grade | $4.46 | $4.90 | $9.81 |
| Premium | $4.86 | $5.34 | $10.69 |
| Diesel | $6.00 | $6.60 | $13.19 |
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 · Apr 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.