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

The driving distance from Bath, ME to South Portland, ME is about 37.3 miles (60.1 km), with a travel time of about 00h 42m by car.

  • The straight-line flight distance is about 28 miles (45.1 km).
  • For a round trip, plan for roughly 01h 25m 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
37.36 mi
00h 42m
Flight
28.02 mi
45.1 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Bath.

Flight Distance

Direct air line
28.02 mi
Kilometers
45.1 km
Flight Time
00h 03m

Driving Distance

Road route
37.36 mi
Kilometers
60.12 km
Drive Time
00h 42m

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 42m.

Arrival Snapshot
Arrive in South Portland
Wed, May 13, 7:34 PM EDT
Return by in Bath
Wed, May 13, 8:17 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Bath
2026-05-13T18:52
Arrive South Portland
Wed, May 13, 7:34 PM EDT
Route Timing
00h 42m
One way by road
Best Departure Window
7:00 AM to 7:00 PM EDT
Leave when it suits your day
Arrive between
7:43 AM to 7:43 PM EDT

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

Leave by
7:04 PM EDT
Keeps a same-day return open with about 01h 30m at the destination.
Back in Bath
10:00 PM EDT
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Freeport
ME

Town in Maine, United States

From Bath
18.5 mi
00h 21m
To South Portland
18.8 mi
00h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
50°F
Wednesday

Mostly Cloudy then Rain Showers Likely

Starts
Wed, May 13 6:00 AM EDT
Wind
0 to 10 mph SE
Destination
South Portland Weather
ME
Live fallback forecast
50°F
Wednesday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Chance Rain Showers

Starts
Wed, May 13 6:00 AM EDT
Wind
0 to 15 mph SE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Vine Street

    84 m · 8 sec · Vine Street

  2. 2

    Merge slight left onto Leeman Highway

    8.5 mi · 12 min · Leeman Highway

  3. 3

    Turn right onto Pleasant Street

    1.4 mi · 3 min · Pleasant Street

  4. 4

    Keep slight right

    2443 ft · 42 sec

  5. 5

    Keep slight left to continue on I 295 South: Freeport, Portland

    1.6 mi · 2 min

  6. 6

    Merge slight left

    21.1 mi · 25 min

  7. 7

    Take the exit slight right toward US 1A

    2130 ft · 1 min

  8. 8

    Turn right onto Marginal Way

    2795 ft · 1 min · Marginal Way

  9. 9

    Continue on State Street

    1.6 km · 2 min · State Street

  10. 10

    Continue on Casco Bay Bridge

    1.1 mi · 2 min · Casco Bay Bridge

  11. 11

    Continue on Broadway

    1.6 km · 2 min · Broadway

  12. 12

    Turn sharp right onto Pine Street

    18 m · 3 sec · Pine Street

  13. 13

    Arrive at your destination

    0 m · 1 sec · Pine Street

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
3 turns on the saved route
Ramps & Exits
3
2 merges, 1 ramps or exits
Navigation Density
34.8 / 100 mi
Decision points by distance
Main Roads
I 295 South
22.7 mi · 61%
Leeman Highway
8.47 mi · 23%
Pleasant Street
1.9 mi · 5%
Casco Bay Bridge
1.14 mi · 3%
State Street
0.98 mi · 3%
Broadway
0.98 mi · 3%
Longest Stretch

I 295 South

Merge slight left

21.1 mi · 00h 25m

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 42m
Quick drive
Same-Day Return
01h 26m
Round-trip wheel time
Road vs Air
+9.3 mi
28 mi direct line
Halfway Stop
Freeport
00h 21m from Bath
Leave By
7:04 PM EDT
Flexible departure
Weather Watch

Mostly Cloudy then Rain Showers Likely leaving Bath 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 Bath to South Portland?

The road trip is about 37.3 miles (60.1 km) and usually takes 00h 42m 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 18.5 miles from Bath and 18.8 miles from South Portland.

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

The direct path is about 28 miles (45.1 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:04 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $5.21 one way or $10.41 round trip. Estimated CO2 is about 11.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Rain Showers Likely around Bath 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.

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

RAIL

Freeport

36 Depot Street
BUS

Brunswick Maine Street Station

15 mi away
101 Bath Rd.
BUS

Bath, Maine

23 mi away
10 State Rd
RAIL

Portland Transportation Center

27 mi away
100 Thompson's Point Road

Flight Path Map

This map shows the direct air route between Bath and South Portland. Straight-line distance: 28.02 mi (45.1 km).

Bath

#1 Bath

Town in Maine, United States

Population8,335
Coordinates43.9106400, -69.8206000
Altitude19
CountryUnited States
South Portland

#2 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Start: (-69.820586, 43.910604)
End: Pine Street (-70.240981, 43.641461)

Estimated Travel Time

Distance: 60 km by road

SpeedTime
30 mph (48.3 km/h)01h 14m
40 mph (64.37 km/h)00h 56m
50 mph (80.47 km/h)00h 44m
60 mph (96.56 km/h)00h 37m
70 mph (112.65 km/h)00h 32m
80 mph (129 km/h)00h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.32 gal
4.99 L · about $5.21
Round trip
$10.41
2.64 gal · 9.98 L
Estimated CO2
11.7 kg one way
Round trip: 23.5 kg / 52 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $5.21 $10.41
Mid-grade $4.46 $5.88 $11.77
Premium $4.86 $6.41 $12.83
Diesel $6.00 $7.92 $15.83

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

There is no time difference between Bath and South Portland. The current time is 18:52:19.

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.