How far is Sidney, ME from Portland, ME?

The driving distance from Sidney, ME to Portland, ME is about 64.4 miles (103.6 km), with a travel time of about 01h 05m by car.

  • The straight-line flight distance is about 58.5 miles (94.1 km).
  • For a round trip, plan for roughly 02h 11m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
64.35 mi
01h 05m
Flight
58.48 mi
94.11 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Sidney.

Flight Distance

Direct air line
58.48 mi
Kilometers
94.11 km
Flight Time
00h 07m

Driving Distance

Road route
64.35 mi
Kilometers
103.56 km
Drive Time
01h 05m

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 05m.

Arrival Snapshot
Arrive in Portland
Sat, May 30, 7:01 PM EDT
Return by in Sidney
Sat, May 30, 8:06 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sidney
2026-05-30T17:55
Arrive Portland
Sat, May 30, 7:01 PM EDT
Route Timing
01h 05m
One way by road
Best Departure Window
8:00 AM to 10:00 AM EDT
Aim for a morning departure
Arrive between
9:06 AM to 11:06 AM EDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:18 PM EDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Sidney
9:30 PM EDT
Morning start is best

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
Bowdoinham
ME

City in Sagadahoc County, Maine, United States of America

From Sidney
32.2 mi
00h 32m
To Portland
32.2 mi
00h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
52°F
Saturday

Light Rain Likely

Starts
Sat, May 30 6:00 AM EDT
Wind
15 to 20 mph NE
Destination
53°F
This Afternoon

Mostly Cloudy

Starts
Sat, May 30 3:00 PM EDT
Wind
15 to 20 mph N

Driving Route Map

The map below follows the saved road route between Sidney and Portland.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sidney and Portland.

  1. 1

    Start on Thayer Road

    90 m · 15 sec · Thayer Road

  2. 2

    Turn right onto West River Road

    5.3 mi · 9 min · West River Road

  3. 3

    Turn right onto Augusta Bypass

    1.2 km · 1 min · Augusta Bypass

  4. 4

    Enter the roundabout and take exit 2 toward Alfond Roundabout

    30 m · 2 sec · Augusta Bypass

  5. 5

    Exit the rotary onto Augusta Bypass

    1837 ft · 25 sec · Augusta Bypass

  6. 6

    Enter the roundabout and take exit 1 toward Bonenfant Roundabout

    1 m · 1 sec

  7. 7

    Exit the rotary

    2084 ft · 51 sec

  8. 8

    Merge slight left

    9.9 mi · 11 min

  9. 9

    Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick

    46.5 mi · 53 min

  10. 10

    Take the exit slight right toward US 1A

    1.2 km · 2 min

  11. 11

    Turn right onto Cumberland Avenue

    1853 ft · 51 sec · Cumberland Avenue

  12. 12

    Turn left onto Preble Street

    555 ft · 19 sec · Preble Street

  13. 13

    Turn left onto Congress Street

    48 m · 5 sec · Congress Street

  14. 14

    Arrive at your destination

    0 m · 1 sec · Congress Street

Car Route Details

A richer read on the saved driving route between Sidney and Portland.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
14 steps
9 turns on the saved route
Ramps & Exits
6
1 merges, 5 ramps or exits
Navigation Density
21.8 / 100 mi
Decision points by distance
Main Roads
I 295 South
46.5 mi · 72%
Bonenfant Roundabout
10.3 mi · 16%
West River Road
5.25 mi · 8%
Augusta Bypass
1.08 mi · 2%
US 1A
0.75 mi · 1%
Cumberland Avenue
0.35 mi · 1%
Longest Stretch

I 295 South

Keep slight right to continue on I 295 South, ME 9, ME 126: Gardiner, Brunswick

46.5 mi · 00h 53m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
01h 05m
Day trip friendly
Same-Day Return
02h 12m
Round-trip wheel time
Road vs Air
+5.9 mi
58.5 mi direct line
Halfway Stop
Bowdoinham
00h 32m from Sidney
Leave By
4:18 PM EDT
Morning start is best
Weather Watch

Light Rain Likely leaving Sidney and Mostly Cloudy near Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sidney to Portland?

The road trip is about 64.4 miles (103.6 km) and usually takes 01h 05m 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 32.2 miles from Sidney and 32.2 miles from Portland.

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 5.9 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 4:18 PM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $8.96 one way or $17.91 round trip. Estimated CO2 is about 20.2 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Sidney and Mostly Cloudy near Portland.

Stop Ideas Near Bowdoinham

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

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

BUS

Bath, Maine

12 mi away
10 State Rd
BUS

Brunswick Maine Street Station

12 mi away
101 Bath Rd.
BUS

Wiscasset, Maine

17 mi away
279 Bath Rd.
RAIL

Freeport

24 mi away
36 Depot Street

Flight Path Map

This map shows the direct air route between Sidney and Portland. Straight-line distance: 58.48 mi (94.11 km).

Sidney

#1 Sidney

Town in Maine, United States

Population4,543
Coordinates44.4131200, -69.7289300
Altitude52
CountryUnited States
Portland

#2 Portland

The most populous city in Cumberland County, Maine.

Population66,803
Coordinates43.6573700, -70.2589000
Altitude19
CountryUnited States
Start: Thayer Road (-69.72876, 44.412838)
End: Congress Street (-70.259094, 43.657504)

Estimated Travel Time

Distance: 104 km by road

SpeedTime
30 mph (48.3 km/h)02h 08m
40 mph (64.37 km/h)01h 36m
50 mph (80.47 km/h)01h 17m
60 mph (96.56 km/h)01h 04m
70 mph (112.65 km/h)00h 55m
80 mph (129 km/h)00h 48m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.27 gal
8.6 L · about $8.96
Round trip
$17.91
4.54 gal · 17.2 L
Estimated CO2
20.2 kg one way
Round trip: 40.3 kg / 89 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $8.96 $17.91
Mid-grade $4.46 $10.12 $20.23
Premium $4.86 $11.03 $22.06
Diesel $6.00 $13.61 $27.23

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

There is no time difference between Sidney and Portland. The current time is 17:55:17.

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.