How far is Dayton, ME from City of Portland, ME?

The driving distance from Dayton, ME to City of Portland, ME is about 28.1 miles (45.3 km), with a travel time of about 04h 42m by car.

  • The straight-line flight distance is about 21.4 miles (34.5 km).
  • For a round trip, plan for roughly 09h 24m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
28.12 mi
04h 42m
Flight
21.46 mi
34.54 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Dayton.

Flight Distance

Direct air line
21.46 mi
Kilometers
34.54 km
Flight Time
00h 02m

Driving Distance

Road route
28.12 mi
Kilometers
45.25 km
Drive Time
04h 42m

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 42m.

Arrival Snapshot
Arrive in City of Portland
Tue, May 12, 10:59 PM EDT
Return by in Dayton
Wed, May 13, 3:42 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Dayton
2026-05-12T18:17
Arrive City of Portland
Tue, May 12, 10:59 PM EDT
Route Timing
04h 42m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
10:42 AM to 12:42 PM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:36 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Dayton
9:00 PM EDT
Early departure recommended

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
West Scarborough
ME

City in United States of America

From Dayton
13.7 mi
02h 21m
To City of Portland
14.4 mi
02h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
60°F
Tuesday

Mostly Sunny

Starts
Tue, May 12 6:00 AM EDT
Wind
5 mph NW
Destination
City of Portland Weather
ME
Live fallback forecast
42°F
Overnight
Using Portland as the closest live forecast in the Cumberland County weather hub.

Mostly Clear

Starts
Tue, May 12 2:00 AM EDT
Wind
10 mph NW

Driving Route Map

The map below follows the saved road route between Dayton and City of Portland.

Turn-by-Turn Driving Directions

Step-by-step road directions between Dayton and City of Portland.

  1. 1

    Start on Wilderness Drive

    1485 ft · 2 min · Wilderness Drive

  2. 2

    At the end of the road, turn left onto Bickford Road

    1905 ft · 1 min · Bickford Road

  3. 3

    Turn right onto Hollis Road

    1.4 mi · 6 min · Hollis Road

  4. 4

    Turn left onto New County Road

    4.6 mi · 8 min · New County Road

  5. 5

    Continue on Bradley Street

    2628 ft · 58 sec · Bradley Street

  6. 6

    Turn left onto Garfield Street

    1 km · 2 min · Garfield Street

  7. 7

    At the end of the road, turn right onto North Street

    149 m · 17 sec · North Street

  8. 8

    Turn left onto Industrial Park Road

    1.2 km · 1 min · Industrial Park Road

  9. 9

    Take the ramp right

    1270 ft · 31 sec

  10. 10

    Merge slight left

    1545 ft · 19 sec

  11. 11

    Keep slight right to continue on I 95 North: Portland

    3080 ft · 1 min

  12. 12

    Merge slight left onto Maine Turnpike

    7.8 mi · 8 min · Maine Turnpike

  13. 13

    Keep slight right to continue on Downtown Portland

    2.8 mi · 4 min

  14. 14

    Take the exit slight right toward Casco Bay Bridge, Portland, Waterfront

    1.2 km · 1 min

  15. 15

    Turn straight onto Blue Star Memorial Highway

    556 ft · 9 sec · Blue Star Memorial Highway

  16. 16

    Continue on Veterans Memorial Bridge

    1953 ft · 35 sec · Veterans Memorial Bridge

  17. 17

    Continue on Fore River Parkway

    848 ft · 17 sec · Fore River Parkway

  18. 18

    Continue on West Commercial Street

    1.9 mi · 4 min · West Commercial Street

  19. 19

    Turn right onto Maine State Pier

    668 ft · 29 sec · Maine State Pier

  20. 20

    Turn slight right

    57 m · 14 sec

  21. 21

    Turn straight onto Portland - Peaks Island

    2.5 mi · 20 min · Portland - Peaks Island

  22. 22

    Continue straight

    65 m · 16 sec

  23. 23

    Continue on Welch Street

    1078 ft · 50 sec · Welch Street

  24. 24

    Turn right onto Oakland Avenue

    594 ft · 26 sec · Oakland Avenue

  25. 25

    Turn slight left onto Whitehead Street

    107 m · 15 sec · Whitehead Street

  26. 26

    Continue on Seashore Avenue

    1046 ft · 46 sec · Seashore Avenue

  27. 27

    Continue on Seashore Avenue

    3044 ft · 2 min · Seashore Avenue

  28. 28

    Arrive at your destination

    0 m · 1 sec · Seashore Avenue

Car Route Details

A richer read on the saved driving route between Dayton and City of Portland.

OSRM road route
Drive Character

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.

Directions
28 steps
13 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
99.6 / 100 mi
Decision points by distance
Main Roads
Maine Turnpike
7.8 mi · 28%
New County Road
4.62 mi · 16%
Downtown Portland
2.84 mi · 10%
Portland - Peaks Island
2.58 mi · 9%
West Commercial Street
1.91 mi · 7%
Hollis Road
1.45 mi · 5%
Longest Stretch

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.

Trip Read

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.

Drive Time
04h 42m
Long day trip
Same-Day Return
09h 24m
Round-trip wheel time
Road vs Air
+6.7 mi
21.4 mi direct line
Halfway Stop
West Scarborough
02h 21m from Dayton
Leave By
7:36 AM EDT
Early departure recommended
Weather Watch

Mostly Sunny leaving Dayton and Mostly Clear near City of Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Dayton to City of Portland?

The road trip is about 28.1 miles (45.3 km) and usually takes 04h 42m 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?

West Scarborough is a useful midpoint, sitting about 13.7 miles from Dayton and 14.4 miles from City of Portland.

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

The direct path is about 21.4 miles (34.5 km), while the road route adds roughly 6.7 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 EDT. If you want a more comfortable same-day return, try to leave by 7:36 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.91 one way or $7.81 round trip. Estimated CO2 is about 8.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Dayton and Mostly Clear near City of Portland.

Stop Ideas Near West Scarborough

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

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

RAIL

Old Orchard Beach

6 mi away
11 First Street
RAIL

Saco Transportation Center

10 mi away
130 Main Street
RAIL

Portland Transportation Center

12 mi away
100 Thompson's Point Road
RAIL

Wells Regional Transportation Center

33 mi away
696 Sanford Road

Flight Path Map

This map shows the direct air route between Dayton and City of Portland. Straight-line distance: 21.46 mi (34.54 km).

Dayton

#1 Dayton

Town in Maine, USA

Population2,107
Coordinates43.549722, -70.575555
Altitude-
CountryUnited States
City of Portland

#2 City of Portland

The twenty-eighth most populous city in the United States and the center of the Portland metropolitan area.

Population653,115
Coordinates43.6470800, -70.1682300
Altitude36
CountryUnited States
Start: Wilderness Drive (-70.571474, 43.555336)
End: Seashore Avenue (-70.181795, 43.65347)

Estimated Travel Time

Distance: 45 km by road

SpeedTime
30 mph (48.3 km/h)00h 56m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 33m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.99 gal
3.76 L · about $3.91
Round trip
$7.81
1.98 gal · 7.52 L
Estimated CO2
8.8 kg one way
Round trip: 17.6 kg / 39 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $3.91 $7.81
Mid-grade $4.46 $4.41 $8.82
Premium $4.86 $4.81 $9.62
Diesel $6.00 $5.94 $11.87

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

There is no time difference between Dayton and City of Portland. The current time is 18:17:32.

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.