How far is Portland, ME from Dedham, ME?
The driving distance from Portland, ME to Dedham, ME is about 140.4 miles (226 km), with a travel time of about 02h 43m by car.
- The straight-line flight distance is about 106.6 miles (171.6 km).
- For a round trip, plan for roughly 05h 26m 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 43m.
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
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Portland and Dedham.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Dedham.
-
1
Start on Congress Street
40 m · 12 sec · Congress Street
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2
Turn left onto Elm Street
158 m · 22 sec · Elm Street
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3
Turn right onto Cumberland Avenue
1719 ft · 44 sec · Cumberland Avenue
-
4
Turn left onto Franklin Street
1945 ft · 37 sec · Franklin Street
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5
Take the ramp slight right
1614 ft · 39 sec
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6
Merge slight left
46.3 mi · 52 min
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7
Merge slight left onto Maine Turnpike
79.2 mi · 1 hr 26 min · Maine Turnpike
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8
Take the exit slight right toward I 395 South, ME 15 South: Bangor, Brewer
2241 ft · 48 sec
-
9
Merge slight left
1.2 km · 55 sec
-
10
Continue straight
3.4 mi · 4 min
-
11
Take the exit slight right toward US 1A East: Coastal Route, Ellsworth, Bar Harbor
2794 ft · 1 min
-
12
Merge slight left onto Wilson Street
1414 ft · 27 sec · Wilson Street
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13
Continue on Main Road
4.8 mi · 8 min · Main Road
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14
Turn right onto Lower Dedham Road
3.5 mi · 6 min · Lower Dedham Road
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15
Turn right onto South Road
662 ft · 29 sec · South Road
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16
Arrive at your destination
0 m · 1 sec · South Road
Car Route Details
A richer read on the saved driving route between Portland and Dedham.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Maine Turnpike
Merge slight left onto Maine Turnpike
79.2 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 Portland and Mostly Sunny near Dedham.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Dedham?
The road trip is about 140.4 miles (226 km) and usually takes 02h 43m 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 70.2 miles from Portland and 70.3 miles from Dedham.
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 33.8 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 1:04 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 Portland and Mostly Sunny near Dedham.
Stop Ideas Near Oakland
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Waterville Opera House
Sidney Town Hall
Inn At City 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 Portland and Dedham. Straight-line distance: 106.63 mi (171.6 km).
#1 Portland
The most populous city in Cumberland County, Maine.
| Population | 66,803 |
| Coordinates | 43.6573700, -70.2589000 |
| Altitude | 19 |
| Country | United States |
#2 Dedham
Town in Maine
| Population | 1,666 |
| Coordinates | 44.6917400, -68.6619800 |
| Altitude | 24 |
| Country | United States |
End: Dedham (-68.66198, 44.69174)
Estimated Travel Time
Distance: 226 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 40m |
| 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 05, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.