How far is Dayton, ME from South Portland, ME?
The driving distance from Dayton, ME to South Portland, ME is about 24.8 miles (39.9 km), with a travel time of about 00h 35m by car.
- The straight-line flight distance is about 17.9 miles (28.8 km).
- For a round trip, plan for roughly 01h 11m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM EDT.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 00h 35m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
Halfway Point
A useful midpoint for breaks, coffee, or meeting in the middle.
City in United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Clear
Driving Route Map
The map below follows the saved road route between Dayton and South Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Dayton and South Portland.
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1
Start on Wilderness Drive
1485 ft · 2 min · Wilderness Drive
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2
At the end of the road, turn left onto Bickford Road
1905 ft · 1 min · Bickford Road
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3
Turn right onto Hollis Road
1.4 mi · 6 min · Hollis Road
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4
Turn left onto New County Road
4.6 mi · 8 min · New County Road
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5
Continue on Bradley Street
2628 ft · 58 sec · Bradley Street
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6
Turn left onto Garfield Street
1 km · 2 min · Garfield Street
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7
At the end of the road, turn right onto North Street
149 m · 17 sec · North Street
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8
Turn left onto Industrial Park Road
1.2 km · 1 min · Industrial Park Road
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9
Take the ramp right
1270 ft · 31 sec
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10
Merge slight left
1545 ft · 19 sec
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11
Keep slight right to continue on I 95 North: Portland
3080 ft · 1 min
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12
Merge slight left onto Maine Turnpike
7.8 mi · 8 min · Maine Turnpike
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13
Keep slight right to continue on Downtown Portland
1.1 mi · 1 min
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14
Take the exit slight right toward South Portland
1988 ft · 56 sec
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15
Merge slight left onto Samantha Smith Way
1.1 mi · 2 min · Samantha Smith Way
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16
Turn left onto Main Street
1.1 mi · 2 min · Main Street
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17
Turn slight right onto Broadway
1.9 mi · 3 min · Broadway
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18
Continue on Broadway
1.6 km · 2 min · Broadway
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19
Turn sharp right onto Pine Street
18 m · 3 sec · Pine Street
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20
Arrive at your destination
0 m · 1 sec · Pine Street
Car Route Details
A richer read on the saved driving route between Dayton and South 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.
Maine Turnpike
Merge slight left onto Maine Turnpike
7.8 mi · 00h 08m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Sunny leaving Dayton and Mostly Clear near South Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Dayton to South Portland?
The road trip is about 24.8 miles (39.9 km) and usually takes 00h 35m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
West Scarborough is a useful midpoint, sitting about 12 miles from Dayton and 12.7 miles from South Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 17.9 miles (28.8 km), while the road route adds roughly 6.9 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 7:00 AM to 7:00 PM EDT. If you want a more comfortable same-day return, try to leave by 7:18 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $3.43 one way or $6.86 round trip. Estimated CO2 is about 7.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Dayton and Mostly Clear near South Portland.
Stop Ideas Near West Scarborough
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 West Scarborough.
Old Orchard Beach
Saco Transportation Center
Portland Transportation Center
Wells Regional Transportation Center
Flight Path Map
This map shows the direct air route between Dayton and South Portland. Straight-line distance: 17.91 mi (28.82 km).
#1 Dayton
Town in Maine, USA
| Population | 2,107 |
| Coordinates | 43.549722, -70.575555 |
| Altitude | - |
| Country | United States |
#2 South Portland
City in Cumberland County, Maine, USA
| Population | 25,950 |
| Coordinates | 43.6414700, -70.2408800 |
| Altitude | 7 |
| Country | United States |
End: Pine Street (-70.240981, 43.641461)
Estimated Travel Time
Distance: 40 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 49m |
| 40 mph (64.37 km/h) | 00h 37m |
| 50 mph (80.47 km/h) | 00h 29m |
| 60 mph (96.56 km/h) | 00h 24m |
| 70 mph (112.65 km/h) | 00h 21m |
| 80 mph (129 km/h) | 00h 18m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $3.43 | $6.86 |
| Mid-grade | $4.46 | $3.88 | $7.76 |
| Premium | $4.86 | $4.23 | $8.45 |
| Diesel | $6.00 | $5.22 | $10.43 |
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 12, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.