How far is Dow Corner, ME from City of Portland, ME?
The driving distance from Dow Corner, ME to City of Portland, ME is about 27 miles (43.4 km), with a travel time of about 04h 43m by car.
- The straight-line flight distance is about 21.7 miles (34.9 km).
- For a round trip, plan for roughly 09h 27m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EST.
Reverse, save, or send this route
This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.
This drive is better planned with a longer stop or an overnight stay.
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 04h 43m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Cumberland County, Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Rain Showers
Driving Route Map
The map below follows the saved road route between Dow Corner and City of Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dow Corner and City of Portland.
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1
Start on Old Dow Road
145 m · 58 sec · Old Dow Road
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2
Turn left onto Cape Road
1.1 mi · 3 min · Cape Road
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3
Turn right onto Ossipee Trail West
7.1 mi · 11 min · Ossipee Trail West
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4
Enter the roundabout and take exit 2 toward Ossipee Trail East
51 m · 3 sec · Ossipee Trail East
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5
Exit the roundabout onto Ossipee Trail East
975 ft · 16 sec · Ossipee Trail East
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6
Continue on State Street
1.6 km · 1 min · State Street
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7
Continue on Main Street
3.2 mi · 5 min · Main Street
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8
Continue on Conant Street
1805 ft · 39 sec · Conant Street
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9
Continue on William B Clarke Drive
1.1 mi · 2 min · William B Clarke Drive
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10
Turn right onto Stroudwater Street
1.7 mi · 3 min · Stroudwater Street
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11
Continue on Westbrook Street
1.2 mi · 2 min · Westbrook Street
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12
Turn left onto Congress Street
1.5 mi · 3 min · Congress Street
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13
Take the ramp slight right
1395 ft · 34 sec
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14
Merge slight left
1.2 mi · 2 min
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15
Take the exit slight right toward US 1A
1094 ft · 33 sec
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16
Continue on US 1A
1.2 km · 2 min
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17
Continue on Maine State Pier
668 ft · 29 sec · Maine State Pier
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18
Turn slight right
57 m · 14 sec
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19
Turn straight onto Portland - Peaks Island
2.5 mi · 20 min · Portland - Peaks Island
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20
Continue straight
65 m · 16 sec
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21
Continue on Welch Street
1078 ft · 50 sec · Welch Street
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22
Turn right onto Oakland Avenue
594 ft · 26 sec · Oakland Avenue
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23
Turn slight left onto Whitehead Street
107 m · 15 sec · Whitehead Street
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24
Continue on Seashore Avenue
1046 ft · 46 sec · Seashore Avenue
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25
Continue on Seashore Avenue
3044 ft · 2 min · Seashore Avenue
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26
Arrive at your destination
0 m · 1 sec · Seashore Avenue
Car Route Details
A richer read on the saved driving route between Dow Corner and City of Portland.
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.
Ossipee Trail West
Turn right onto Ossipee Trail West
7.1 mi · 00h 11m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A longer out-and-back drive
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
Light Rain leaving Dow Corner and Rain Showers near City of Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dow Corner to City of Portland?
The road trip is about 27 miles (43.4 km) and usually takes 04h 43m in normal driving conditions.
Is this a same-day trip or an overnight route?
This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.
What is the halfway point on this route?
Westbrook is a useful midpoint, sitting about 12.4 miles from Dow Corner and 14.5 miles from City of Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 21.7 miles (34.9 km), while the road route adds roughly 5.3 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 6:00 AM to 8:00 AM EST. If you want a more comfortable same-day return, try to leave by 7:32 AM EST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.02 one way or $8.04 round trip. Estimated CO2 is about 8.4 kg one way.
What should you check before leaving?
Before you leave, expect Light Rain around Dow Corner and Rain Showers near City of Portland.
Stop Ideas Near Westbrook
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Westbrook.
Portland Transportation Center
Old Orchard Beach
Saco Transportation Center
Freeport
Flight Path Map
This map shows the direct air route between Dow Corner and City of Portland. Straight-line distance: 21.69 mi (34.9 km).
#1 Dow Corner
Dow Corner is a place in Maine, United States.
| Population | 0 |
| Coordinates | 43.7200800, -70.5903300 |
| Altitude | 100 |
| Country | United States |
#2 City of Portland
The twenty-eighth most populous city in the United States and the center of the Portland metropolitan area.
| Population | 653,115 |
| Coordinates | 43.6470800, -70.1682300 |
| Altitude | 36 |
| Country | United States |
End: Seashore Avenue (-70.181795, 43.65347)
Estimated Travel Time
Distance: 43 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 53m |
| 40 mph (64.37 km/h) | 00h 40m |
| 50 mph (80.47 km/h) | 00h 32m |
| 60 mph (96.56 km/h) | 00h 26m |
| 70 mph (112.65 km/h) | 00h 23m |
| 80 mph (129 km/h) | 00h 20m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.23 | $4.02 | $8.04 |
| Mid-grade | $4.80 | $4.56 | $9.12 |
| Premium | $5.28 | $5.02 | $10.03 |
| Diesel | $6.39 | $6.07 | $12.14 |
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 · Nov 06, 2026