How far is Portland, ME from Sidney, ME?
The driving distance from Portland, ME to Sidney, ME is about 63.4 miles (102.1 km), with a travel time of about 01h 17m by car.
- The straight-line flight distance is about 58.5 miles (94.1 km).
- For a round trip, plan for roughly 02h 34m 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 01h 17m.
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.
City in Sagadahoc County, Maine, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy
Mostly Cloudy
Driving Route Map
The map below follows the saved road route between Portland and Sidney.
Turn-by-Turn Driving Directions
Step-by-step road directions between Portland and Sidney.
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1
Start on Congress Street
40 m · 12 sec · Congress Street
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2
Turn left onto Elm Street
158 m · 22 sec · Elm Street
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3
Turn right onto Cumberland Avenue
1719 ft · 44 sec · Cumberland Avenue
-
4
Turn left onto Franklin Street
1945 ft · 37 sec · Franklin Street
-
5
Take the ramp slight right
1614 ft · 39 sec
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6
Merge slight left
46.3 mi · 52 min
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7
Merge slight left onto Maine Turnpike
9.8 mi · 11 min · Maine Turnpike
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8
Take the exit slight right toward ME 3: Augusta, Belfast
767 ft · 26 sec
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9
Keep slight right
834 ft · 20 sec
-
10
Merge slight left onto Augusta Bypass
1 km · 1 min · Augusta Bypass
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11
Turn left onto West River Road
5.3 mi · 9 min · West River Road
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12
Turn left onto Thayer Road
90 m · 13 sec · Thayer Road
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13
Arrive at your destination
0 m · 1 sec · Thayer Road
Car Route Details
A richer read on the saved driving route between Portland and Sidney.
Interchange-aware route
The drive includes several ramps, exits, or merges, so checking the next few maneuvers before busy interchanges is useful.
Franklin Street
Merge slight left
46.3 mi · 00h 52m
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.
Mostly Cloudy leaving Portland and Mostly Cloudy near Sidney.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Portland to Sidney?
The road trip is about 63.4 miles (102.1 km) and usually takes 01h 17m 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?
Bowdoinham is a useful midpoint, sitting about 31.7 miles from Portland and 31.8 miles from Sidney.
How much longer is the road route than the straight-line distance?
The direct path is about 58.5 miles (94.1 km), while the road route adds roughly 4.9 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 3:56 PM EDT.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.84 one way or $17.67 round trip. Estimated CO2 is about 19.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Portland and Mostly Cloudy near Sidney.
Stop Ideas Near Bowdoinham
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 Bowdoinham.
Bath, Maine
Brunswick Maine Street Station
Wiscasset, Maine
Freeport
Flight Path Map
This map shows the direct air route between Portland and Sidney. Straight-line distance: 58.48 mi (94.11 km).
#1 Portland
The most populous city in Cumberland County, Maine.
| Population | 66,803 |
| Coordinates | 43.6573700, -70.2589000 |
| Altitude | 19 |
| Country | United States |
#2 Sidney
Town in Maine, United States
| Population | 4,543 |
| Coordinates | 44.4131200, -69.7289300 |
| Altitude | 52 |
| Country | United States |
End: Sidney (-69.72893, 44.41312)
Estimated Travel Time
Distance: 102 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 06m |
| 40 mph (64.37 km/h) | 01h 35m |
| 50 mph (80.47 km/h) | 01h 16m |
| 60 mph (96.56 km/h) | 01h 03m |
| 70 mph (112.65 km/h) | 00h 54m |
| 80 mph (129 km/h) | 00h 47m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $3.95 | $8.84 | $17.67 |
| Mid-grade | $4.46 | $9.98 | $19.97 |
| Premium | $4.86 | $10.88 | $21.76 |
| Diesel | $6.00 | $13.43 | $26.87 |
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 30, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.