How far is South Portland, ME from Harrison, ME?

The driving distance from South Portland, ME to Harrison, ME is about 45.1 miles (72.6 km), with a travel time of about 01h 06m by car.

  • The straight-line flight distance is about 39.1 miles (62.9 km).
  • For a round trip, plan for roughly 02h 12m 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
45.11 mi
01h 06m
Flight
39.07 mi
62.87 km direct

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

Learn Distance

Choose another destination from South Portland.

Flight Distance

Direct air line
39.07 mi
Kilometers
62.87 km
Flight Time
00h 04m

Driving Distance

Road route
45.11 mi
Kilometers
72.6 km
Drive Time
01h 06m

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 06m.

Arrival Snapshot
Arrive in Harrison
Thu, Apr 23, 12:20 PM EDT
Return by in South Portland
Thu, Apr 23, 1:26 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Portland
2026-04-23T11:14
Arrive Harrison
Thu, Apr 23, 12:20 PM EDT
Route Timing
01h 06m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:06 AM to 11:06 AM EDT

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

Leave by
4:18 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South 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
Raymond
ME

Town in Maine

From South Portland
22.6 mi
00h 33m
To Harrison
22.6 mi
00h 33m

Route Weather Snapshot

Check the forecast at both ends before you head out.

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

Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 to 10 mph NW
Destination
54°F
Thursday

Slight Chance Rain Showers

Starts
Thu, Apr 23 6:00 AM EDT
Wind
5 to 10 mph NW

Driving Route Map

The map below follows the saved road route between South Portland and Harrison.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Portland and Harrison.

  1. 1

    Start on Pine Street

    18 m · 10 sec · Pine Street

  2. 2

    Turn sharp left onto Broadway

    1.6 km · 2 min · Broadway

  3. 3

    Continue on Casco Bay Bridge

    1.1 mi · 2 min · Casco Bay Bridge

  4. 4

    Turn straight onto York Street

    785 ft · 19 sec · York Street

  5. 5

    Turn left onto High Street

    1.3 km · 1 min · High Street

  6. 6

    Continue on Forest Avenue

    4.4 mi · 6 min · Forest Avenue

  7. 7

    Continue on Bridgton Road

    3.8 mi · 8 min · Bridgton Road

  8. 8

    Continue on Roosevelt Trail

    4.2 mi · 5 min · Roosevelt Trail

  9. 9

    Enter the roundabout and take exit 2 toward Roosevelt Trail

    88 m · 10 sec · Roosevelt Trail

  10. 10

    Exit the roundabout onto Roosevelt Trail

    20.5 mi · 30 min · Roosevelt Trail

  11. 11

    Continue on Portland Road

    4.3 mi · 5 min · Portland Road

  12. 12

    Continue on Harrison Road

    4.1 mi · 6 min · Harrison Road

  13. 13

    Continue on Bridgton Road

    1665 ft · 28 sec · Bridgton Road

  14. 14

    Continue on Main Street

    1684 ft · 35 sec · Main Street

  15. 15

    Turn left onto Mill Street

    40 m · 6 sec · Mill Street

  16. 16

    Arrive at your destination

    0 m · 1 sec · Mill Street

Car Route Details

A richer read on the saved driving route between South Portland and Harrison.

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
16 steps
6 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
35.5 / 100 mi
Decision points by distance
Main Roads
Roosevelt Trail
24.7 mi · 55%
Forest Avenue
4.37 mi · 10%
Portland Road
4.34 mi · 10%
Bridgton Road
4.12 mi · 9%
Harrison Road
4.09 mi · 9%
Casco Bay Bridge
1.15 mi · 3%
Longest Stretch

Roosevelt Trail

Exit the roundabout onto Roosevelt Trail

20.5 mi · 00h 30m

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 06m
Day trip friendly
Same-Day Return
02h 12m
Round-trip wheel time
Road vs Air
+6 mi
39.1 mi direct line
Halfway Stop
Raymond
00h 33m from South Portland
Leave By
4:18 PM EDT
Morning start is best
Weather Watch

Slight Chance Rain Showers leaving South Portland and Slight Chance Rain Showers near Harrison.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Portland to Harrison?

The road trip is about 45.1 miles (72.6 km) and usually takes 01h 06m 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?

Raymond is a useful midpoint, sitting about 22.6 miles from South Portland and 22.6 miles from Harrison.

How much longer is the road route than the straight-line distance?

The direct path is about 39.1 miles (62.9 km), while the road route adds roughly 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 4:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.27 one way or $12.55 round trip. Estimated CO2 is about 14.1 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around South Portland and Slight Chance Rain Showers near Harrison.

Stop Ideas Near Raymond

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

Mid-route Guidance
Local place coverage is thin around Raymond, 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 Raymond.

RAIL

Freeport

30 mi away
36 Depot Street
RAIL

Portland Transportation Center

31 mi away
100 Thompson's Point Road
BUS

Brunswick Maine Street Station

43 mi away
101 Bath Rd.
RAIL

Old Orchard Beach

44 mi away
11 First Street

Flight Path Map

This map shows the direct air route between South Portland and Harrison. Straight-line distance: 39.07 mi (62.87 km).

South Portland

#1 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Harrison

#2 Harrison

Town in Maine, United States

Population2,819
Coordinates44.1103500, -70.6792300
Altitude88
CountryUnited States
Start: South Portland (-70.24088, 43.64147)
End: Harrison (-70.67923, 44.11035)

Estimated Travel Time

Distance: 73 km by road

SpeedTime
30 mph (48.3 km/h)01h 30m
40 mph (64.37 km/h)01h 07m
50 mph (80.47 km/h)00h 54m
60 mph (96.56 km/h)00h 45m
70 mph (112.65 km/h)00h 38m
80 mph (129 km/h)00h 33m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.59 gal
6.03 L · about $6.27
Round trip
$12.55
3.18 gal · 12.06 L
Estimated CO2
14.1 kg one way
Round trip: 28.3 kg / 62 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $6.27 $12.55
Mid-grade $4.46 $7.09 $14.17
Premium $4.86 $7.72 $15.45
Diesel $6.00 $9.54 $19.07

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 23, 2026

There is no time difference between South Portland and Harrison. The current time is 11:14:01.

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.