How far is South Thomaston, ME from Brunswick, ME?

The driving distance from South Thomaston, ME to Brunswick, ME is about 52.3 miles (84.1 km), with a travel time of about 01h 22m by car.

  • The straight-line flight distance is about 42.7 miles (68.7 km).
  • For a round trip, plan for roughly 02h 44m 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
52.28 mi
01h 22m
Flight
42.7 mi
68.72 km direct

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

Learn Distance

Choose another destination from South Thomaston.

Flight Distance

Direct air line
42.7 mi
Kilometers
68.72 km
Flight Time
00h 05m

Driving Distance

Road route
52.28 mi
Kilometers
84.13 km
Drive Time
01h 22m

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 22m.

Arrival Snapshot
Arrive in Brunswick
Thu, Oct 15, 8:47 AM EDT
Return by in South Thomaston
Thu, Oct 15, 10:10 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Thomaston
2026-10-15T07:25
Arrive Brunswick
Thu, Oct 15, 8:47 AM EDT
Route Timing
01h 22m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:22 AM to 11:22 AM EDT

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

Leave by
3:46 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in South Thomaston
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
Newcastle
ME

Town in Maine, United States

From South Thomaston
26.1 mi
00h 41m
To Brunswick
26.2 mi
00h 41m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 to 15 mph NW
Destination
56°F
Thursday

Sunny

Starts
Thu, Oct 15 6:00 AM EDT
Wind
5 to 15 mph NW

Driving Route Map

The map below follows the saved road route between South Thomaston and Brunswick.

Turn-by-Turn Driving Directions

Step-by-step road directions between South Thomaston and Brunswick.

  1. 1

    Start on Spruce Head Road

    8 m · 1 sec · Spruce Head Road

  2. 2

    Turn right onto Westbrook Street

    1.9 mi · 8 min · Westbrook Street

  3. 3

    At the end of the road, turn right onto Saint George Road

    1.2 mi · 2 min · Saint George Road

  4. 4

    Continue on High Street

    2593 ft · 58 sec · High Street

  5. 5

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

    1.8 mi · 2 min · Main Street

  6. 6

    Continue on Atlantic Highway

    13.4 mi · 18 min · Atlantic Highway

  7. 7

    Continue on Route 1

    5.4 mi · 8 min · Route 1

  8. 8

    Continue on Route 1

    8.7 mi · 12 min · Route 1

  9. 9

    Continue on Main Street

    2605 ft · 1 min · Main Street

  10. 10

    Turn straight onto Bath Road

    4 mi · 8 min · Bath Road

  11. 11

    Continue on Route 1

    4.9 mi · 7 min · Route 1

  12. 12

    Continue on Main Street

    1 mi · 2 min · Main Street

  13. 13

    Continue on Leeman Highway

    8.4 mi · 12 min · Leeman Highway

  14. 14

    Take the exit slight right toward ME 24 Business North, ME 201 North: Brunswick, Topsham

    748 ft · 22 sec

  15. 15

    Turn slight left onto ME 123 South, ME 24 Business: Bowdoin College, Harpswell

    49 m · 8 sec

  16. 16

    Turn left onto Maine Street

    1528 ft · 1 min · Maine Street

  17. 17

    Turn right

    61 m · 18 sec

  18. 18

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

    9 m · 1 sec · Pleasant Street

  19. 19

    Arrive at your destination

    0 m · 1 sec · Pleasant Street

Car Route Details

A richer read on the saved driving route between South Thomaston and Brunswick.

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
19 steps
8 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
36.3 / 100 mi
Decision points by distance
Main Roads
Route 1
19 mi · 36%
Atlantic Highway
13.4 mi · 26%
Leeman Highway
8.36 mi · 16%
Bath Road
4.01 mi · 8%
Main Street
3.34 mi · 6%
Westbrook Street
1.92 mi · 4%
Longest Stretch

Atlantic Highway

Continue on Atlantic Highway

13.4 mi · 00h 18m

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 22m
Day trip friendly
Same-Day Return
02h 44m
Round-trip wheel time
Road vs Air
+9.6 mi
42.7 mi direct line
Halfway Stop
Newcastle
00h 41m from South Thomaston
Leave By
3:46 PM EDT
Morning start is best
Weather Watch

Sunny leaving South Thomaston and Sunny near Brunswick.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from South Thomaston to Brunswick?

The road trip is about 52.3 miles (84.1 km) and usually takes 01h 22m 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?

Newcastle is a useful midpoint, sitting about 26.1 miles from South Thomaston and 26.2 miles from Brunswick.

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

The direct path is about 42.7 miles (68.7 km), while the road route adds roughly 9.6 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 3:46 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.06 one way or $16.12 round trip. Estimated CO2 is about 16.4 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around South Thomaston and Sunny near Brunswick.

Stop Ideas Near Newcastle

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

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

BUS

Damariscotta, Maine

1 mi away
167 Main St.
BUS

Wiscasset, Maine

13 mi away
279 Bath Rd.
BUS

Waldoboro, Maine

14 mi away
US hwy 1 and hwy 32
BUS

Bath, Maine

26 mi away
10 State Rd

Flight Path Map

This map shows the direct air route between South Thomaston and Brunswick. Straight-line distance: 42.7 mi (68.72 km).

South Thomaston

#1 South Thomaston

City in Knox County, Maine, United States of America

Population1,642
Coordinates44.0514700, -69.1278200
Altitude9
CountryUnited States
Brunswick

#2 Brunswick

Town in Cumberland County, Maine, US

Population20,619
Coordinates43.9145200, -69.9653300
Altitude19
CountryUnited States
Start: South Thomaston (-69.12782, 44.05147)
End: Brunswick (-69.96533, 43.91452)

Estimated Travel Time

Distance: 84 km by road

SpeedTime
30 mph (48.3 km/h)01h 44m
40 mph (64.37 km/h)01h 18m
50 mph (80.47 km/h)01h 02m
60 mph (96.56 km/h)00h 52m
70 mph (112.65 km/h)00h 44m
80 mph (129 km/h)00h 39m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.84 gal
6.98 L · about $8.06
Round trip
$16.12
3.68 gal · 13.96 L
Estimated CO2
16.4 kg one way
Round trip: 32.7 kg / 72 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.38 $8.06 $16.12
Mid-grade $4.93 $9.06 $18.12
Premium $5.41 $9.95 $19.90
Diesel $6.44 $11.86 $23.71

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 · Oct 14, 2026

There is no time difference between South Thomaston and Brunswick. The current time is 07:25:51.

Distance to Other Cities

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