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

The driving distance from Gray, ME to South Portland, ME is about 26.1 miles (42 km), with a travel time of about 00h 31m by car.

  • The straight-line flight distance is about 17.5 miles (28.1 km).
  • For a round trip, plan for roughly 01h 03m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
26.12 mi
00h 31m
Flight
17.47 mi
28.11 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Gray.

Flight Distance

Direct air line
17.47 mi
Kilometers
28.11 km
Flight Time
00h 02m

Driving Distance

Road route
26.12 mi
Kilometers
42.03 km
Drive Time
00h 31m

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 31m.

Arrival Snapshot
Arrive in South Portland
Tue, May 5, 1:18 AM EDT
Return by in Gray
Tue, May 5, 1:50 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Gray
2026-05-05T00:47
Arrive South Portland
Tue, May 5, 1:18 AM EDT
Route Timing
00h 31m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:32 AM to 7:32 PM EDT

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:26 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Gray
10:00 PM EDT
Flexible departure

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
Falmouth
ME

Town in Cumberland County, Maine

From Gray
10.3 mi
00h 15m
To South Portland
15.8 mi
00h 15m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Tuesday

Mostly Sunny

Starts
Tue, May 5 6:00 AM EDT
Wind
5 to 15 mph S
Destination
South Portland Weather
ME
Live fallback forecast
60°F
Tuesday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Mostly Sunny

Starts
Tue, May 5 6:00 AM EDT
Wind
15 to 30 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Main Street

    47 m · 3 sec · Main Street

  2. 2

    Continue on West Gray Road

    2215 ft · 1 min · West Gray Road

  3. 3

    Take the exit left

    2049 ft · 50 sec

  4. 4

    Merge slight left onto Maine Turnpike

    10.4 mi · 11 min · Maine Turnpike

  5. 5

    Take the exit slight right toward ME 26, ME 100: West Falmouth

    2933 ft · 1 min

  6. 6

    Keep slight right

    46 m · 4 sec

  7. 7

    Turn straight onto Gray Road

    2829 ft · 1 min · Gray Road

  8. 8

    Continue on Auburn Street

    1.8 mi · 4 min · Auburn Street

  9. 9

    Turn right onto Allen Avenue

    1.3 km · 2 min · Allen Avenue

  10. 10

    Turn left onto Forest Avenue

    2.3 mi · 3 min · Forest Avenue

  11. 11

    Turn slight right

    133 m · 16 sec

  12. 12

    Keep slight right

    54 m · 8 sec

  13. 13

    Turn slight right onto State Street

    1.5 km · 2 min · State Street

  14. 14

    Continue on Casco Bay Bridge

    1.1 mi · 2 min · Casco Bay Bridge

  15. 15

    Continue on Broadway

    1.6 km · 2 min · Broadway

  16. 16

    Turn sharp right onto Pine Street

    18 m · 3 sec · Pine Street

  17. 17

    Arrive at your destination

    0 m · 1 sec · Pine Street

Car Route Details

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

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
7 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
65.1 / 100 mi
Decision points by distance
Main Roads
Maine Turnpike
10.4 mi · 40%
Forest Avenue
2.34 mi · 9%
Auburn Street
1.76 mi · 7%
Casco Bay Bridge
1.14 mi · 4%
Broadway
0.98 mi · 4%
State Street
0.96 mi · 4%
Longest Stretch

Maine Turnpike

Merge slight left onto Maine Turnpike

10.4 mi · 00h 11m

Route Summary

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

Trip Read

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.

Drive Time
00h 31m
Quick drive
Same-Day Return
01h 04m
Round-trip wheel time
Road vs Air
+8.6 mi
17.5 mi direct line
Halfway Stop
Falmouth
00h 15m from Gray
Leave By
7:26 PM EDT
Flexible departure
Weather Watch

Mostly Sunny leaving Gray and Mostly Sunny near South Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 26.1 miles (42 km) and usually takes 00h 31m 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?

Falmouth is a useful midpoint, sitting about 10.3 miles from Gray and 15.8 miles from South Portland.

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

The direct path is about 17.5 miles (28.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:26 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.63 one way or $7.26 round trip. Estimated CO2 is about 8.2 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Gray and Mostly Sunny near South Portland.

Stop Ideas Near Falmouth

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

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

RAIL

Portland Transportation Center

9 mi away
100 Thompson's Point Road
RAIL

Freeport

18 mi away
36 Depot Street
RAIL

Old Orchard Beach

26 mi away
11 First Street
RAIL

Saco Transportation Center

31 mi away
130 Main Street

Flight Path Map

This map shows the direct air route between Gray and South Portland. Straight-line distance: 17.47 mi (28.11 km).

Gray

#1 Gray

Town in Cumberland County, Maine, US

Population8,297
Coordinates43.8856300, -70.3317200
Altitude91
CountryUnited States
South Portland

#2 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Start: Main Street (-70.330844, 43.885307)
End: Pine Street (-70.240981, 43.641461)

Estimated Travel Time

Distance: 42 km by road

SpeedTime
30 mph (48.3 km/h)00h 52m
40 mph (64.37 km/h)00h 39m
50 mph (80.47 km/h)00h 31m
60 mph (96.56 km/h)00h 26m
70 mph (112.65 km/h)00h 22m
80 mph (129 km/h)00h 19m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.92 gal
3.49 L · about $3.63
Round trip
$7.26
1.84 gal · 6.98 L
Estimated CO2
8.2 kg one way
Round trip: 16.4 kg / 36 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $3.63 $7.26
Mid-grade $4.46 $4.10 $8.20
Premium $4.86 $4.47 $8.94
Diesel $6.00 $5.52 $11.03

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 05, 2026

There is no time difference between Gray and South Portland. The current time is 00:47:02.

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.