How far is Monmouth, ME from City of Portland, ME?
The driving distance from Monmouth, ME to City of Portland, ME is about 49.7 miles (80 km), with a travel time of about 05h 07m by car.
- The straight-line flight distance is about 41.4 miles (66.6 km).
- For a round trip, plan for roughly 10h 15m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
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 05h 07m.
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 Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Monmouth and City of Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Monmouth and City of Portland.
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1
Start on the route
9 m · 8 sec
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2
Turn left
15 m · 11 sec
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3
Turn left onto Main Street
1048 ft · 24 sec · Main Street
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4
Turn left onto Blue Road
1.3 km · 2 min · Blue Road
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5
Turn left onto Norris Hill Road
1.3 mi · 3 min · Norris Hill Road
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6
Continue on US Route 202
1.5 km · 1 min · US Route 202
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7
Continue on Route 202
2.7 mi · 3 min · Route 202
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8
Continue on US Route 202
1 km · 43 sec · US Route 202
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9
Continue on Route 202
3.8 mi · 4 min · Route 202
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10
Continue on Main Street
4.9 mi · 6 min · Main Street
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11
Continue on Court Street
2156 ft · 39 sec · Court Street
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12
Turn left onto Minot Avenue
1.1 km · 59 sec · Minot Avenue
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13
Turn slight left onto Washington Street
4.1 mi · 5 min · Washington Street
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14
Take the exit slight right
762 ft · 19 sec
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15
Keep slight left
2668 ft · 1 min
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16
Merge slight left onto Maine Turnpike
7.7 mi · 8 min · Maine Turnpike
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17
Keep slight left to continue on Maine Turnpike
14.6 mi · 16 min · Maine Turnpike
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18
Take the exit slight right toward ME 26, ME 100: West Falmouth
2933 ft · 1 min
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19
Keep slight right
46 m · 4 sec
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20
Turn straight onto Gray Road
2829 ft · 1 min · Gray Road
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21
Continue on Auburn Street
1.8 mi · 4 min · Auburn Street
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22
Turn right onto Allen Avenue
1.3 km · 2 min · Allen Avenue
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23
Turn left onto Forest Avenue
2.4 mi · 3 min · Forest Avenue
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24
Turn left onto Marginal Way
2841 ft · 1 min · Marginal Way
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25
Turn right onto Franklin Street
1.2 km · 2 min · Franklin Street
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26
Continue on Maine State Pier
668 ft · 29 sec · Maine State Pier
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27
Turn slight right
57 m · 14 sec
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28
Turn straight onto Portland - Peaks Island
2.5 mi · 20 min · Portland - Peaks Island
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29
Continue straight
65 m · 16 sec
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30
Continue on Welch Street
1078 ft · 50 sec · Welch Street
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31
Turn right onto Oakland Avenue
594 ft · 26 sec · Oakland Avenue
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32
Turn slight left onto Whitehead Street
107 m · 15 sec · Whitehead Street
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33
Continue on Seashore Avenue
1046 ft · 46 sec · Seashore Avenue
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34
Continue on Seashore Avenue
3044 ft · 2 min · Seashore Avenue
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35
Arrive at your destination
0 m · 1 sec · Seashore Avenue
Car Route Details
A richer read on the saved driving route between Monmouth 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.
Maine Turnpike
Keep slight left to continue on Maine Turnpike
14.6 mi · 00h 16m
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.
Chance Rain Showers leaving Monmouth and Slight Chance 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 Monmouth to City of Portland?
The road trip is about 49.7 miles (80 km) and usually takes 05h 07m 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?
New Gloucester is a useful midpoint, sitting about 27.4 miles from Monmouth and 22.4 miles from City of Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 41.4 miles (66.6 km), while the road route adds roughly 8.3 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 EDT. If you want a more comfortable same-day return, try to leave by 6:44 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.90 one way or $13.81 round trip. Estimated CO2 is about 15.6 kg one way.
What should you check before leaving?
Before you leave, expect Chance Rain Showers around Monmouth and Slight Chance Rain Showers near City of Portland.
Stop Ideas Near New Gloucester
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 New Gloucester.
Freeport
Brunswick Maine Street Station
Portland Transportation Center
Bath, Maine
Flight Path Map
This map shows the direct air route between Monmouth and City of Portland. Straight-line distance: 41.4 mi (66.63 km).
#1 Monmouth
Town in Kennebec County, Maine, United States
| Population | 4,172 |
| Coordinates | 44.2386800, -70.0356100 |
| Altitude | 83 |
| 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: 80 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 39m |
| 40 mph (64.37 km/h) | 01h 14m |
| 50 mph (80.47 km/h) | 00h 59m |
| 60 mph (96.56 km/h) | 00h 49m |
| 70 mph (112.65 km/h) | 00h 42m |
| 80 mph (129 km/h) | 00h 37m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $6.90 | $13.81 |
| Mid-grade | $4.46 | $7.80 | $15.60 |
| Premium | $4.86 | $8.50 | $17.00 |
| Diesel | $6.00 | $10.49 | $20.99 |
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 · Apr 23, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.