How far is Long Island, ME from Portland, ME?
The driving distance from Long Island, ME to Portland, ME is about 7 miles (11.3 km), with a travel time of about 04h 39m by car.
- The straight-line flight distance is about 4.8 miles (7.7 km).
- For a round trip, plan for roughly 09h 18m 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 04h 39m.
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, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny
Partly Sunny
Driving Route Map
The map below follows the saved road route between Long Island and Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Long Island and Portland.
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1
Start on Parson Lane
14 m · 5 sec · Parson Lane
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2
Turn right onto Island Avenue
2131 ft · 2 min · Island Avenue
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3
Turn left onto Ponce Landing
105 m · 15 sec · Ponce Landing
-
4
Turn slight left onto Diamond Cove - Long Island
2.8 mi · 28 min · Diamond Cove - Long Island
-
5
Turn left onto Little Diamond - Great Diamond
1.4 km · 7 min · Little Diamond - Great Diamond
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6
Turn left onto Portland - Little Diamond
2.1 mi · 15 min · Portland - Little Diamond
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7
Continue straight
57 m · 14 sec
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8
Turn right onto Maine State Pier
23 m · 31 sec · Maine State Pier
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9
Continue on Maine State Pier
656 ft · 31 sec · Maine State Pier
-
10
Continue on Franklin Street
1521 ft · 37 sec · Franklin Street
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11
Turn left onto Congress Street
1791 ft · 1 min · Congress Street
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12
Arrive at your destination
0 m · 1 sec · Congress Street
Car Route Details
A richer read on the saved driving route between Long Island and 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.
Diamond Cove - Long Island
Turn slight left onto Diamond Cove - Long Island
2.81 mi · 00h 28m
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.
Partly Sunny leaving Long Island and Partly Sunny near Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Long Island to Portland?
The road trip is about 7 miles (11.3 km) and usually takes 04h 39m 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?
South Portland is a useful midpoint, sitting about 3.5 miles from Long Island and 3.5 miles from Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 4.8 miles (7.7 km), while the road route adds roughly 2.2 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 7:42 AM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $0.99 one way or $1.97 round trip. Estimated CO2 is about 2.2 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny around Long Island and Partly Sunny near Portland.
Stop Ideas Near South Portland
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 South Portland.
Portland Transportation Center
Old Orchard Beach
Saco Transportation Center
Freeport
Flight Path Map
This map shows the direct air route between Long Island and Portland. Straight-line distance: 4.76 mi (7.66 km).
#1 Long Island
Town in Maine, United States
| Population | 239 |
| Coordinates | 43.6842500, -70.1711600 |
| Altitude | 18 |
| Country | United States |
#2 Portland
The most populous city in Cumberland County, Maine.
| Population | 66,803 |
| Coordinates | 43.6573700, -70.2589000 |
| Altitude | 19 |
| Country | United States |
End: Congress Street (-70.259094, 43.657504)
Estimated Travel Time
Distance: 11 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 14m |
| 40 mph (64.37 km/h) | 00h 10m |
| 50 mph (80.47 km/h) | 00h 08m |
| 60 mph (96.56 km/h) | 00h 07m |
| 70 mph (112.65 km/h) | 00h 06m |
| 80 mph (129 km/h) | 00h 05m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $0.99 | $1.97 |
| Mid-grade | $4.46 | $1.11 | $2.23 |
| Premium | $4.86 | $1.21 | $2.43 |
| Diesel | $6.00 | $1.50 | $3.00 |
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 26, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.