How far is Greenville, ME from South Portland, ME?
The driving distance from Greenville, ME to South Portland, ME is about 157.5 miles (253.4 km), with a travel time of about 02h 49m by car.
- The straight-line flight distance is about 129.6 miles (208.6 km).
- For a round trip, plan for roughly 05h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Reverse, save, or send this route
This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.
This route works well as a day trip with time at the destination.
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 02h 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Town in Somerset County, Maine, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Greenville and South Portland.
Turn-by-Turn Driving Directions
Step-by-step road directions between Greenville and South Portland.
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1
Start on Pleasant Street
58 m · 14 sec · Pleasant Street
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2
Turn left onto Lily Bay Road
68 m · 6 sec · Lily Bay Road
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3
Continue on Moosehead Lake Road
4.1 mi · 6 min · Moosehead Lake Road
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4
Continue on Greenville Road
10.2 mi · 15 min · Greenville Road
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5
Continue on Tenney Hill Road
4.1 mi · 6 min · Tenney Hill Road
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6
Continue on Main Road
6.3 mi · 9 min · Main Road
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7
Continue on Elm Street
1.4 km · 1 min · Elm Street
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8
At the end of the road, turn left onto South Main Street
150 m · 8 sec · South Main Street
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9
Turn straight onto Water Street
1.3 mi · 2 min · Water Street
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10
Turn right onto Bridge Street
707 ft · 12 sec · Bridge Street
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11
Continue on Main Street
1.4 km · 1 min · Main Street
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12
Continue on North Dexter Road
9.4 mi · 14 min · North Dexter Road
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13
Continue on Crockett Road
128 m · 7 sec · Crockett Road
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14
Continue on Grove Street
3106 ft · 53 sec · Grove Street
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15
Turn straight onto Dam Street
89 m · 6 sec · Dam Street
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16
Turn right onto Church Street
1027 ft · 17 sec · Church Street
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17
Continue on Spring Street
1 mi · 2 min · Spring Street
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18
Continue on Corinna Road
1.2 mi · 2 min · Corinna Road
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19
Continue on Dexter Road
5.9 mi · 9 min · Dexter Road
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20
Continue on Newport Road
1.4 mi · 2 min · Newport Road
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21
Continue on Moosehead Trail
4.7 mi · 7 min · Moosehead Trail
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22
Enter the roundabout and take exit 2 toward Ox Bow Road
43 m · 3 sec · Ox Bow Road
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23
Exit the roundabout onto Ox Bow Road
1284 ft · 44 sec · Ox Bow Road
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24
Take the exit slight right
1648 ft · 40 sec
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25
Merge slight right
53.5 mi · 58 min
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26
Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick
46.5 mi · 53 min
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27
Take the exit slight right toward US 1A
2130 ft · 1 min
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28
Turn right onto Marginal Way
2795 ft · 1 min · Marginal Way
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29
Continue on State Street
1.6 km · 2 min · State Street
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30
Continue on Casco Bay Bridge
1.1 mi · 2 min · Casco Bay Bridge
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31
Continue on Broadway
1.6 km · 2 min · Broadway
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32
Turn sharp right onto Pine Street
18 m · 3 sec · Pine Street
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33
Arrive at your destination
0 m · 1 sec · Pine Street
Car Route Details
A richer read on the saved driving route between Greenville and South Portland.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Ox Bow Road
Merge slight right
53.5 mi · 00h 58m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A comfortable day-trip route
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
Chance Light Rain leaving Greenville and Chance Rain Showers near South Portland.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Greenville to South Portland?
The road trip is about 157.5 miles (253.4 km) and usually takes 02h 49m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.
What is the halfway point on this route?
Fairfield is a useful midpoint, sitting about 78.5 miles from Greenville and 78.9 miles from South Portland.
How much longer is the road route than the straight-line distance?
The direct path is about 129.6 miles (208.6 km), while the road route adds roughly 27.9 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 8:00 AM to 10:00 AM EDT. If you want a more comfortable same-day return, try to leave by 12:50 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $21.93 one way or $43.87 round trip. Estimated CO2 is about 49.4 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Greenville and Chance Rain Showers near South Portland.
Stop Ideas Near Fairfield
Useful break, food, and waypoint ideas within about 15 miles of the route midpoint.
Waterville Opera House
Sidney Town Hall
Transit and Meeting Points
Useful pickup, handoff, or rendezvous points close to Fairfield.
Augusta, ME
Belfast, Maine
Searsport, Maine
Waldoboro, Maine
Flight Path Map
This map shows the direct air route between Greenville and South Portland. Straight-line distance: 129.63 mi (208.62 km).
#1 Greenville
Town in Piscataquis County, Maine, United States
| Population | 1,628 |
| Coordinates | 45.4594900, -69.5906100 |
| Altitude | 318 |
| 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: 253 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 05h 14m |
| 40 mph (64.37 km/h) | 03h 56m |
| 50 mph (80.47 km/h) | 03h 08m |
| 60 mph (96.56 km/h) | 02h 37m |
| 70 mph (112.65 km/h) | 02h 14m |
| 80 mph (129 km/h) | 01h 57m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $21.93 | $43.87 |
| Mid-grade | $4.46 | $24.78 | $49.56 |
| Premium | $4.86 | $27.01 | $54.02 |
| Diesel | $6.00 | $33.34 | $66.69 |
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 03, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.