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

The driving distance from Chelsea, ME to South Portland, ME is about 55.8 miles (89.8 km), with a travel time of about 01h 02m by car.

  • The straight-line flight distance is about 49.5 miles (79.6 km).
  • For a round trip, plan for roughly 02h 04m 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
55.81 mi
01h 02m
Flight
49.48 mi
79.63 km direct

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

Learn Distance

Choose another destination from Chelsea.

Flight Distance

Direct air line
49.48 mi
Kilometers
79.63 km
Flight Time
00h 05m

Driving Distance

Road route
55.81 mi
Kilometers
89.81 km
Drive Time
01h 02m

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 02m.

Arrival Snapshot
Arrive in South Portland
Sun, May 31, 2:23 AM EDT
Return by in Chelsea
Sun, May 31, 3:25 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Chelsea
2026-05-31T01:21
Arrive South Portland
Sun, May 31, 2:23 AM EDT
Route Timing
01h 02m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:02 AM to 11:02 AM EDT

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

Leave by
4:26 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Chelsea
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
Topsham
ME

Town in Maine, United States

From Chelsea
27.8 mi
00h 31m
To South Portland
28 mi
00h 31m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
67°F
Sunday

Mostly Sunny then Showers And Thunderstorms Likely

Starts
Sun, May 31 6:00 AM EDT
Wind
0 to 5 mph NW
Destination
South Portland Weather
ME
Live fallback forecast
60°F
Sunday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Mostly Sunny then Showers And Thunderstorms Likely

Starts
Sun, May 31 6:00 AM EDT
Wind
5 to 10 mph S

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Hankerson Road

    17 m · 8 sec · Hankerson Road

  2. 2

    Turn sharp right onto Togus Road

    1.2 mi · 2 min · Togus Road

  3. 3

    Continue on Windsor Street

    1.7 mi · 3 min · Windsor Street

  4. 4

    Turn right onto Water Street

    1025 ft · 35 sec · Water Street

  5. 5

    Turn left onto Bridge Street

    2616 ft · 48 sec · Bridge Street

  6. 6

    Continue on Brunswick Avenue

    4.8 mi · 7 min · Brunswick Avenue

  7. 7

    Take the ramp left

    1832 ft · 45 sec

  8. 8

    Merge slight left

    42.7 mi · 48 min

  9. 9

    Take the exit slight right toward US 1A

    2130 ft · 1 min

  10. 10

    Turn right onto Marginal Way

    2795 ft · 1 min · Marginal Way

  11. 11

    Continue on State Street

    1.6 km · 2 min · State Street

  12. 12

    Continue on Casco Bay Bridge

    1.1 mi · 2 min · Casco Bay Bridge

  13. 13

    Continue on Broadway

    1.6 km · 2 min · Broadway

  14. 14

    Turn sharp right onto Pine Street

    18 m · 3 sec · Pine Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · Pine Street

Car Route Details

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

OSRM road route
Drive Character

Straightforward drive

The saved road route has a manageable number of maneuvers and should be easy to follow with normal attention to signs.

Directions
15 steps
5 turns on the saved route
Ramps & Exits
3
1 merges, 2 ramps or exits
Navigation Density
26.9 / 100 mi
Decision points by distance
Main Roads
Brunswick Avenue
47.9 mi · 86%
Windsor Street
1.72 mi · 3%
Togus Road
1.21 mi · 2%
Casco Bay Bridge
1.14 mi · 2%
State Street
0.98 mi · 2%
Broadway
0.98 mi · 2%
Longest Stretch

Brunswick Avenue

Merge slight left

42.7 mi · 00h 48m

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 02m
Day trip friendly
Same-Day Return
02h 04m
Round-trip wheel time
Road vs Air
+6.3 mi
49.5 mi direct line
Halfway Stop
Topsham
00h 31m from Chelsea
Leave By
4:26 PM EDT
Morning start is best
Weather Watch

Mostly Sunny then Showers And Thunderstorms Likely leaving Chelsea and Mostly Sunny then Showers And Thunderstorms Likely near South Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 55.8 miles (89.8 km) and usually takes 01h 02m 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?

Topsham is a useful midpoint, sitting about 27.8 miles from Chelsea and 28 miles from South Portland.

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

The direct path is about 49.5 miles (79.6 km), while the road route adds roughly 6.3 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 4:26 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $7.77 one way or $15.54 round trip. Estimated CO2 is about 17.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Showers And Thunderstorms Likely around Chelsea and Mostly Sunny then Showers And Thunderstorms Likely near South Portland.

Stop Ideas Near Topsham

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

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

BUS

Brunswick Maine Street Station

4 mi away
101 Bath Rd.
RAIL

Freeport

13 mi away
36 Depot Street
BUS

Bath, Maine

13 mi away
10 State Rd
BUS

Wiscasset, Maine

24 mi away
279 Bath Rd.

Flight Path Map

This map shows the direct air route between Chelsea and South Portland. Straight-line distance: 49.48 mi (79.63 km).

Chelsea

#1 Chelsea

Town in Maine, US

Population2,753
Coordinates44.2503500, -69.7172700
Altitude55
CountryUnited States
South Portland

#2 South Portland

City in Cumberland County, Maine, USA

Population25,950
Coordinates43.6414700, -70.2408800
Altitude7
CountryUnited States
Start: Hankerson Road (-69.717284, 44.250315)
End: Pine Street (-70.240981, 43.641461)

Estimated Travel Time

Distance: 90 km by road

SpeedTime
30 mph (48.3 km/h)01h 51m
40 mph (64.37 km/h)01h 23m
50 mph (80.47 km/h)01h 06m
60 mph (96.56 km/h)00h 55m
70 mph (112.65 km/h)00h 47m
80 mph (129 km/h)00h 41m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.97 gal
7.45 L · about $7.77
Round trip
$15.54
3.94 gal · 14.9 L
Estimated CO2
17.5 kg one way
Round trip: 35 kg / 77 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $7.77 $15.54
Mid-grade $4.46 $8.78 $17.56
Premium $4.86 $9.57 $19.14
Diesel $6.00 $11.81 $23.63

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 31, 2026

There is no time difference between Chelsea and South Portland. The current time is 01:21:18.

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.