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

The driving distance from South Portland, ME to Guilford, ME is about 131.4 miles (211.4 km), with a travel time of about 02h 40m by car.

  • The straight-line flight distance is about 113.7 miles (183 km).
  • For a round trip, plan for roughly 05h 20m 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
131.35 mi
02h 40m
Flight
113.69 mi
182.96 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
113.69 mi
Kilometers
182.96 km
Flight Time
00h 13m

Driving Distance

Road route
131.35 mi
Kilometers
211.39 km
Drive Time
02h 40m

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 02h 40m.

Arrival Snapshot
Arrive in Guilford
Fri, Apr 17, 5:42 AM EDT
Return by in South Portland
Fri, Apr 17, 8:22 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave South Portland
2026-04-17T03:02
Arrive Guilford
Fri, Apr 17, 5:42 AM EDT
Route Timing
02h 40m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
10:40 AM to 12:40 PM EDT

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

Leave by
1:10 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
Sidney
ME

Town in Maine, United States

From South Portland
65.7 mi
01h 20m
To Guilford
65.7 mi
01h 20m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
South Portland Weather
ME
Live fallback forecast
54°F
Friday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Chance Showers And Thunderstorms

Starts
Fri, Apr 17 6:00 AM EDT
Wind
5 to 10 mph NE
Destination
63°F
Friday

Rain Showers Likely

Starts
Fri, Apr 17 6:00 AM EDT
Wind
6 mph NE

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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

    1.4 km · 2 min · High Street

  6. 6

    Take the ramp slight right toward I 295 North, US 1 North: Falmouth

    1360 ft · 33 sec

  7. 7

    Merge slight left

    46.8 mi · 53 min

  8. 8

    Merge slight left onto Maine Turnpike

    53.6 mi · 58 min · Maine Turnpike

  9. 9

    Take the exit slight right toward ME 11, ME 100: Newport, Dexter

    1611 ft · 46 sec

  10. 10

    Keep slight left

    34 m · 7 sec

  11. 11

    Turn left onto Ox Bow Road

    2725 ft · 1 min · Ox Bow Road

  12. 12

    Enter the roundabout and take exit 2 toward Moosehead Trail

    37 m · 2 sec · Moosehead Trail

  13. 13

    Exit the roundabout onto Moosehead Trail

    4.7 mi · 7 min · Moosehead Trail

  14. 14

    Continue on Newport Road

    1.4 mi · 2 min · Newport Road

  15. 15

    Continue on Dexter Road

    5.9 mi · 9 min · Dexter Road

  16. 16

    Continue on Corinna Road

    1.2 mi · 2 min · Corinna Road

  17. 17

    Continue on Spring Street

    1 mi · 2 min · Spring Street

  18. 18

    Continue on Church Street

    1027 ft · 22 sec · Church Street

  19. 19

    Turn left onto Dam Street

    89 m · 5 sec · Dam Street

  20. 20

    Continue on Grove Street

    3106 ft · 53 sec · Grove Street

  21. 21

    Continue on Crockett Road

    128 m · 7 sec · Crockett Road

  22. 22

    Turn straight onto North Dexter Road

    9.4 mi · 14 min · North Dexter Road

  23. 23

    Continue on Main Street

    1.4 km · 1 min · Main Street

  24. 24

    Continue on Bridge Street

    626 ft · 19 sec · Bridge Street

  25. 25

    Turn left onto Water Street

    1.2 mi · 2 min · Water Street

  26. 26

    Arrive at your destination

    0 m · 1 sec · Water Street

Car Route Details

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

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
26 steps
10 turns on the saved route
Ramps & Exits
6
2 merges, 4 ramps or exits
Navigation Density
19.8 / 100 mi
Decision points by distance
Main Roads
Maine Turnpike
53.6 mi · 41%
I 295 North
47.1 mi · 36%
North Dexter Road
9.44 mi · 7%
Dexter Road
5.85 mi · 4%
Moosehead Trail
4.71 mi · 4%
Newport Road
1.44 mi · 1%
Longest Stretch

Maine Turnpike

Merge slight left onto Maine Turnpike

53.6 mi · 00h 58m

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
02h 40m
Day trip friendly
Same-Day Return
05h 20m
Round-trip wheel time
Road vs Air
+17.7 mi
113.7 mi direct line
Halfway Stop
Sidney
01h 20m from South Portland
Leave By
1:10 PM EDT
Morning start is best
Weather Watch

Chance Showers And Thunderstorms leaving South Portland and Rain Showers Likely near Guilford.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 131.4 miles (211.4 km) and usually takes 02h 40m 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?

Sidney is a useful midpoint, sitting about 65.7 miles from South Portland and 65.7 miles from Guilford.

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

The direct path is about 113.7 miles (183 km), while the road route adds roughly 17.7 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 1:10 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.30 one way or $36.61 round trip. Estimated CO2 is about 41.2 kg one way.

What should you check before leaving?

Before you leave, expect Chance Showers And Thunderstorms around South Portland and Rain Showers Likely near Guilford.

Stop Ideas Near Sidney

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Sidney and the surrounding midpoint area.
Waterville Opera House
Scenic stop 10.1 mi away

Waterville Opera House

Waterville , ME
1 Common St, Waterville, ME 04901
Rating 4.7/5 291 reviews Opera house,Comedy club,Concert hall,Historical landmark,Performing arts theater
Augusta City Hall
Meeting point 7.7 mi away

Augusta City Hall

Augusta , ME
16 Cony St, Augusta, ME 04330
Rating 4.1/5 22 reviews City Hall
Stop photo coming soon
Nearby stop 7.7 mi away

Inn At City Hall

Augusta , ME
1 Cony St, Augusta, ME 04330
Rating 5.0/5 1 reviews Retirement home

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Sidney.

BUS

Augusta, ME

8 mi away
9 Industrial Drive
BUS

Waldoboro, Maine

44 mi away
US hwy 1 and hwy 32
BUS

Damariscotta, Maine

45 mi away
167 Main St.
BUS

Wiscasset, Maine

47 mi away
279 Bath Rd.

Flight Path Map

This map shows the direct air route between South Portland and Guilford. Straight-line distance: 113.69 mi (182.96 km).

South Portland

#1 South Portland

City in Cumberland County, Maine, USA

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

#2 Guilford

Town in Maine, United States

Population1,468
Coordinates45.1689400, -69.3844900
Altitude115
CountryUnited States
Start: South Portland (-70.24088, 43.64147)
End: Guilford (-69.38449, 45.16894)

Estimated Travel Time

Distance: 211 km by road

SpeedTime
30 mph (48.3 km/h)04h 22m
40 mph (64.37 km/h)03h 17m
50 mph (80.47 km/h)02h 37m
60 mph (96.56 km/h)02h 11m
70 mph (112.65 km/h)01h 52m
80 mph (129 km/h)01h 38m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.64 gal
17.55 L · about $18.30
Round trip
$36.61
9.28 gal · 35.1 L
Estimated CO2
41.2 kg one way
Round trip: 82.5 kg / 182 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $18.30 $36.61
Mid-grade $4.46 $20.68 $41.36
Premium $4.86 $22.54 $45.08
Diesel $6.00 $27.83 $55.65

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 17, 2026

There is no time difference between South Portland and Guilford. The current time is 03:02:22.

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.