How far is Dedham, ME from Portland, ME?
The driving distance from Dedham, ME to Portland, ME is about 140.6 miles (226.3 km), with a travel time of about 02h 17m by car.
- The straight-line flight distance is about 106.6 miles (171.6 km).
- For a round trip, plan for roughly 04h 34m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
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.
This route works well as a day trip with time at the destination.
Flight Distance
Driving Distance
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 17m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Kennebec County in the U.
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Dedham and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dedham and Portland.
-
1
Start on South Road
662 ft · 36 sec · South Road
-
2
Turn left onto Lower Dedham Road
3.5 mi · 6 min · Lower Dedham Road
-
3
Turn left onto Main Road
4.8 mi · 8 min · Main Road
-
4
Continue on Wilson Street
2662 ft · 51 sec · Wilson Street
-
5
Take the exit straight
2149 ft · 1 min
-
6
Merge slight left
3.5 mi · 4 min
-
7
Continue straight
1.3 mi · 2 min
-
8
Continue straight
45 m · 13 sec
-
9
Take the exit slight right toward I 95 South: Newport
1530 ft · 22 sec
-
10
Merge slight left
79 mi · 1 hr 26 min
-
11
Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick
46.5 mi · 53 min
-
12
Take the exit slight right toward US 1A
1.2 km · 2 min
-
13
Turn right onto Cumberland Avenue
1853 ft · 51 sec · Cumberland Avenue
-
14
Turn left onto Preble Street
555 ft · 19 sec · Preble Street
-
15
Turn left onto Congress Street
48 m · 5 sec · Congress Street
-
16
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Dedham and Portland.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
I 95 South
Merge slight left
79 mi · 01h 26m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny leaving Dedham 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 Dedham to Portland?
The road trip is about 140.6 miles (226.3 km) and usually takes 02h 17m 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?
Oakland is a useful midpoint, sitting about 70.5 miles from Dedham and 70 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 106.6 miles (171.6 km), while the road route adds roughly 34 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 1:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $19.57 one way or $39.13 round trip. Estimated CO2 is about 44.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Dedham and Mostly Sunny near Portland.
Stop Ideas Near Oakland
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Waterville Opera House
Sidney Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Oakland.
Augusta, ME
Waldoboro, Maine
Belfast, Maine
Damariscotta, Maine
Flight Path Map
This map shows the direct air route between Dedham and Portland. Straight-line distance: 106.63 mi (171.6 km).
#1 Dedham
Town in Maine
| Population | 1,666 |
| Coordinates | 44.6917400, -68.6619800 |
| Altitude | 24 |
| Country | United States |
#2 Portland
The most populous city in Cumberland County, Maine.
| Population | 66,803 |
| Coordinates | 43.6573700, -70.2589000 |
| Altitude | 19 |
| Country | United States |
End: Congress Street (-70.259094, 43.657504)
Estimated Travel Time
Distance: 226 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 41m |
| 40 mph (64.37 km/h) | 03h 30m |
| 50 mph (80.47 km/h) | 02h 48m |
| 60 mph (96.56 km/h) | 02h 20m |
| 70 mph (112.65 km/h) | 02h 00m |
| 80 mph (129 km/h) | 01h 45m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $19.57 | $39.13 |
| Mid-grade | $4.46 | $22.11 | $44.21 |
| Premium | $4.86 | $24.10 | $48.19 |
| Diesel | $6.00 | $29.75 | $59.49 |
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 04, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.