How far is Dexter, ME from Portland, ME?

The driving distance from Dexter, ME to Portland, ME is about 115.9 miles (186.5 km), with a travel time of about 01h 54m by car.

  • The straight-line flight distance is about 105.9 miles (170.4 km).
  • For a round trip, plan for roughly 03h 49m 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
115.89 mi
01h 54m
Flight
105.87 mi
170.38 km direct

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

Learn Distance

Choose another destination from Dexter.

Flight Distance

Direct air line
105.87 mi
Kilometers
170.38 km
Flight Time
00h 12m

Driving Distance

Road route
115.89 mi
Kilometers
186.51 km
Drive Time
01h 54m

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 54m.

Arrival Snapshot
Arrive in Portland
Sat, May 2, 5:33 AM EDT
Return by in Dexter
Sat, May 2, 7:28 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dexter
2026-05-02T03:39
Arrive Portland
Sat, May 2, 5:33 AM EDT
Route Timing
01h 54m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:55 AM to 11:55 AM EDT

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

Leave by
2:40 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Dexter
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
Augusta
ME

County seat in Kennebec County, Maine, USA and Maine federated state capital city

From Dexter
57.9 mi
00h 57m
To Portland
58 mi
00h 57m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
55°F
Saturday

Mostly Sunny then Slight Chance Rain Showers

Starts
Sat, May 2 6:00 AM EDT
Wind
5 to 8 mph W
Destination
50°F
Saturday

Mostly Sunny

Starts
Sat, May 2 6:00 AM EDT
Wind
10 to 15 mph SW

Driving Route Map

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

Turn-by-Turn Driving Directions

Step-by-step road directions between Dexter and Portland.

  1. 1

    Start on Spring Street

    1 mi · 2 min · Spring Street

  2. 2

    Continue on Corinna Road

    1.2 mi · 2 min · Corinna Road

  3. 3

    Continue on Dexter Road

    5.9 mi · 9 min · Dexter Road

  4. 4

    Continue on Newport Road

    1.4 mi · 2 min · Newport Road

  5. 5

    Continue on Moosehead Trail

    4.7 mi · 7 min · Moosehead Trail

  6. 6

    Enter the roundabout and take exit 2 toward Ox Bow Road

    43 m · 3 sec · Ox Bow Road

  7. 7

    Exit the roundabout onto Ox Bow Road

    1284 ft · 44 sec · Ox Bow Road

  8. 8

    Take the exit slight right

    1648 ft · 40 sec

  9. 9

    Merge slight right

    53.5 mi · 58 min

  10. 10

    Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick

    46.5 mi · 53 min

  11. 11

    Take the exit slight right toward US 1A

    1.2 km · 2 min

  12. 12

    Turn right onto Cumberland Avenue

    1853 ft · 51 sec · Cumberland Avenue

  13. 13

    Turn left onto Preble Street

    555 ft · 19 sec · Preble Street

  14. 14

    Turn left onto Congress Street

    48 m · 5 sec · Congress Street

  15. 15

    Arrive at your destination

    0 m · 1 sec · Congress Street

Car Route Details

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

OSRM road route
Drive Character

Interchange-aware route

The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.

Directions
15 steps
5 turns on the saved route
Ramps & Exits
5
1 merges, 4 ramps or exits
Navigation Density
12.9 / 100 mi
Decision points by distance
Main Roads
Ox Bow Road
54 mi · 47%
I 295 South
46.5 mi · 40%
Dexter Road
5.85 mi · 5%
Moosehead Trail
4.69 mi · 4%
Newport Road
1.44 mi · 1%
Corinna Road
1.16 mi · 1%
Longest Stretch

Ox Bow Road

Merge slight right

53.5 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
01h 54m
Day trip friendly
Same-Day Return
03h 50m
Round-trip wheel time
Road vs Air
+10 mi
105.9 mi direct line
Halfway Stop
Augusta
00h 57m from Dexter
Leave By
2:40 PM EDT
Morning start is best
Weather Watch

Mostly Sunny then Slight Chance Rain Showers leaving Dexter and Mostly Sunny near Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dexter to Portland?

The road trip is about 115.9 miles (186.5 km) and usually takes 01h 54m 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?

Augusta is a useful midpoint, sitting about 57.9 miles from Dexter and 58 miles from Portland.

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

The direct path is about 105.9 miles (170.4 km), while the road route adds roughly 10 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 2:40 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $16.14 one way or $32.27 round trip. Estimated CO2 is about 36.3 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny then Slight Chance Rain Showers around Dexter and Mostly Sunny near Portland.

Stop Ideas Near Augusta

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

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

BUS

Augusta, ME

5 mi away
9 Industrial Drive
BUS

Wiscasset, Maine

36 mi away
279 Bath Rd.
BUS

Damariscotta, Maine

37 mi away
167 Main St.
BUS

Waldoboro, Maine

39 mi away
US hwy 1 and hwy 32

Flight Path Map

This map shows the direct air route between Dexter and Portland. Straight-line distance: 105.87 mi (170.38 km).

Dexter

#1 Dexter

Town in Penobscot County, Maine, United States

Population3,702
Coordinates45.0239500, -69.2897700
Altitude127
CountryUnited States
Portland

#2 Portland

The most populous city in Cumberland County, Maine.

Population66,803
Coordinates43.6573700, -70.2589000
Altitude19
CountryUnited States
Start: Spring Street (-69.289885, 45.023941)
End: Congress Street (-70.259094, 43.657504)

Estimated Travel Time

Distance: 187 km by road

SpeedTime
30 mph (48.3 km/h)03h 51m
40 mph (64.37 km/h)02h 53m
50 mph (80.47 km/h)02h 19m
60 mph (96.56 km/h)01h 55m
70 mph (112.65 km/h)01h 39m
80 mph (129 km/h)01h 26m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
4.09 gal
15.48 L · about $16.14
Round trip
$32.27
8.18 gal · 30.96 L
Estimated CO2
36.3 kg one way
Round trip: 72.7 kg / 160 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $16.14 $32.27
Mid-grade $4.46 $18.23 $36.46
Premium $4.86 $19.87 $39.74
Diesel $6.00 $24.53 $49.06

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 02, 2026

There is no time difference between Dexter and Portland. The current time is 03:39:21.

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.