How far is City of Portland, ME from Topsham, ME?

The driving distance from City of Portland, ME to Topsham, ME is about 30.9 miles (49.7 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 21.6 miles (34.8 km).
  • For a round trip, plan for roughly 02h 00m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
30.89 mi
01h 00m
Flight
21.62 mi
34.8 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from City of Portland.

Flight Distance

Direct air line
21.62 mi
Kilometers
34.8 km
Flight Time
00h 02m

Driving Distance

Road route
30.89 mi
Kilometers
49.72 km
Drive Time
01h 00m

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 00m.

Arrival Snapshot
Arrive in Topsham
Sat, Apr 25, 3:50 PM EDT
Return by in City of Portland
Sat, Apr 25, 4:50 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave City of Portland
2026-04-25T14:49
Arrive Topsham
Sat, Apr 25, 3:50 PM EDT
Route Timing
01h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:00 AM to 11:00 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:30 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in City of Portland
9:30 PM EDT
Morning start is best

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.

Mid-route stop
Yarmouth
ME

Census-designated place in Cumberland County, Maine

From City of Portland
15.4 mi
00h 30m
To Topsham
15.5 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
City of Portland Weather
ME
Live fallback forecast
48°F
Saturday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Sunny

Starts
Sat, Apr 25 6:00 AM EDT
Wind
5 to 10 mph E
Destination
55°F
Saturday

Mostly Sunny

Starts
Sat, Apr 25 6:00 AM EDT
Wind
0 to 5 mph NW

Driving Route Map

The map below follows the saved road route between City of Portland and Topsham.

Turn-by-Turn Driving Directions

Step-by-step road directions between City of Portland and Topsham.

  1. 1

    Start on Seashore Avenue

    3044 ft · 2 min · Seashore Avenue

  2. 2

    At the end of the road, turn left onto Seashore Avenue

    1046 ft · 46 sec · Seashore Avenue

  3. 3

    Continue on Whitehead Street

    107 m · 15 sec · Whitehead Street

  4. 4

    Continue on Oakland Avenue

    594 ft · 32 sec · Oakland Avenue

  5. 5

    At the end of the road, turn left onto Welch Street

    1291 ft · 1 min · Welch Street

  6. 6

    Continue on Portland - Peaks Island

    2.5 mi · 20 min · Portland - Peaks Island

  7. 7

    Continue straight

    57 m · 14 sec

  8. 8

    Turn right onto Maine State Pier

    23 m · 31 sec · Maine State Pier

  9. 9

    Continue on Maine State Pier

    656 ft · 31 sec · Maine State Pier

  10. 10

    Continue on Franklin Street

    1.2 km · 1 min · Franklin Street

  11. 11

    Take the ramp slight right

    1614 ft · 39 sec

  12. 12

    Merge slight left

    24.6 mi · 29 min

  13. 13

    Take the exit slight right toward ME 196: Topsham, Lisbon, Bates College

    1338 ft · 38 sec

  14. 14

    Turn right onto Lewiston Road

    1427 ft · 43 sec · Lewiston Road

  15. 15

    Turn right onto Mallett Drive

    1.2 km · 2 min · Mallett Drive

  16. 16

    At the end of the road, turn right onto Winter Street

    14 m · 1 sec · Winter Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · Winter Street

Car Route Details

A richer read on the saved driving route between City of Portland and Topsham.

OSRM road route
Drive Character

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.

Directions
17 steps
6 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
55 / 100 mi
Decision points by distance
Main Roads
Franklin Street
25.7 mi · 83%
Portland - Peaks Island
2.57 mi · 8%
Seashore Avenue
0.77 mi · 3%
Mallett Drive
0.77 mi · 3%
Lewiston Road
0.27 mi · 1%
ME 196
0.25 mi · 1%
Longest Stretch

Franklin Street

Merge slight left

24.6 mi · 00h 29m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 00m
Day trip friendly
Same-Day Return
02h 00m
Round-trip wheel time
Road vs Air
+9.3 mi
21.6 mi direct line
Halfway Stop
Yarmouth
00h 30m from City of Portland
Leave By
4:30 PM EDT
Morning start is best
Weather Watch

Sunny leaving City of Portland and Mostly Sunny near Topsham.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from City of Portland to Topsham?

The road trip is about 30.9 miles (49.7 km) and usually takes 01h 00m 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?

Yarmouth is a useful midpoint, sitting about 15.4 miles from City of Portland and 15.5 miles from Topsham.

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 9.3 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 4:30 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.30 one way or $8.60 round trip. Estimated CO2 is about 9.7 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around City of Portland and Mostly Sunny near Topsham.

Stop Ideas Near Yarmouth

Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.

Mid-route Guidance
Local place coverage is thin around Yarmouth, so nearby transit and meeting points are shown instead.
Reviewed stop coverage is still thin around this midpoint, so practical transit waypoints are shown on the right.

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Yarmouth.

RAIL

Freeport

9 mi away
36 Depot Street
RAIL

Portland Transportation Center

19 mi away
100 Thompson's Point Road
BUS

Brunswick Maine Street Station

23 mi away
101 Bath Rd.
BUS

Bath, Maine

32 mi away
10 State Rd

Flight Path Map

This map shows the direct air route between City of Portland and Topsham. Straight-line distance: 21.62 mi (34.8 km).

City of Portland

#1 City of Portland

The twenty-eighth most populous city in the United States and the center of the Portland metropolitan area.

Population653,115
Coordinates43.6470800, -70.1682300
Altitude36
CountryUnited States
Topsham

#2 Topsham

Town in Maine, United States

Population8,942
Coordinates43.9275800, -69.9758800
Altitude40
CountryUnited States
Start: City of Portland (-70.16823, 43.64708)
End: Topsham (-69.97588, 43.92758)

Estimated Travel Time

Distance: 50 km by road

SpeedTime
30 mph (48.3 km/h)01h 01m
40 mph (64.37 km/h)00h 46m
50 mph (80.47 km/h)00h 37m
60 mph (96.56 km/h)00h 30m
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.

One-way fuel
1.09 gal
4.13 L · about $4.30
Round trip
$8.60
2.18 gal · 8.26 L
Estimated CO2
9.7 kg one way
Round trip: 19.4 kg / 43 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $4.30 $8.60
Mid-grade $4.46 $4.86 $9.72
Premium $4.86 $5.30 $10.59
Diesel $6.00 $6.54 $13.07

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

There is no time difference between City of Portland and Topsham. The current time is 14:49:53.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.