How far is Southwest Harbor, ME from Saco, ME?

The driving distance from Southwest Harbor, ME to Saco, ME is about 174.8 miles (281.3 km), with a travel time of about 03h 45m by car.

  • The straight-line flight distance is about 118.4 miles (190.5 km).
  • For a round trip, plan for roughly 07h 31m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM EDT.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
174.77 mi
03h 45m
Flight
118.38 mi
190.52 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Southwest Harbor.

Flight Distance

Direct air line
118.38 mi
Kilometers
190.52 km
Flight Time
00h 14m

Driving Distance

Road route
174.77 mi
Kilometers
281.26 km
Drive Time
03h 45m

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 03h 45m.

Arrival Snapshot
Arrive in Saco
Fri, Oct 23, 10:58 AM EDT
Return by in Southwest Harbor
Fri, Oct 23, 2:44 PM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Southwest Harbor
2026-10-23T07:12
Arrive Saco
Fri, Oct 23, 10:58 AM EDT
Route Timing
03h 45m
One way by road
Best Departure Window
6:00 AM to 8:00 AM EDT
Leave early for more breathing room
Arrive between
9:46 AM to 11:46 AM EDT

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
9:28 AM EDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Southwest Harbor
9:00 PM EDT
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Palermo
ME

Town in Waldo County, Maine, United States of America

From Southwest Harbor
87.2 mi
01h 52m
To Saco
87.6 mi
01h 52m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Southwest Harbor Weather
ME
Live fallback forecast
50°F
Friday
Using Blue Hill as the closest live forecast in the Hancock County weather hub.

Sunny

Starts
Fri, Oct 23 6:00 AM EDT
Wind
13 to 21 mph N
Destination
Saco Weather
ME
Live fallback forecast
55°F
Friday
Using Biddeford as the closest live forecast in the York County weather hub.

Sunny

Starts
Fri, Oct 23 6:00 AM EDT
Wind
5 to 15 mph N

Driving Route Map

The map below follows the saved road route between Southwest Harbor and Saco.

Turn-by-Turn Driving Directions

Step-by-step road directions between Southwest Harbor and Saco.

  1. 1

    Start on Clark Point Road

    72 m · 8 sec · Clark Point Road

  2. 2

    Turn right onto Main Street

    7 mi · 10 min · Main Street

  3. 3

    Continue on State Highway 102

    3.5 mi · 5 min · State Highway 102

  4. 4

    Continue on Triangle Road

    696 ft · 18 sec · Triangle Road

  5. 5

    At the end of the road, turn left onto State Highway 3

    739 ft · 16 sec · State Highway 3

  6. 6

    Continue on Bar Harbor Road

    6.7 mi · 12 min · Bar Harbor Road

  7. 7

    Continue on High Street

    1.1 km · 2 min · High Street

  8. 8

    Turn left onto Beechland Road

    1 mi · 2 min · Beechland Road

  9. 9

    At the end of the road, turn right onto Bayside Road

    1 mi · 2 min · Bayside Road

  10. 10

    Continue on Water Street

    1.3 km · 1 min · Water Street

  11. 11

    Turn left onto West Main Street

    806 ft · 10 sec · West Main Street

  12. 12

    Keep slight right to continue on Main Street

    85 m · 4 sec · Main Street

  13. 13

    Continue on Bucksport Road

    8.5 mi · 10 min · Bucksport Road

  14. 14

    Continue on Acadia Highway

    9.4 mi · 11 min · Acadia Highway

  15. 15

    Continue on Route 1

    1.6 km · 1 min · Route 1

  16. 16

    Continue on Main Street

    41 m · 9 sec · Main Street

  17. 17

    Turn left onto Route 1

    682 ft · 17 sec · Route 1

  18. 18

    Continue on US Highway 1

    1.2 mi · 3 min · US Highway 1

  19. 19

    Continue on Route 1

    13.4 mi · 16 min · Route 1

  20. 20

    Continue on Searsport Avenue

    2.7 mi · 5 min · Searsport Avenue

  21. 21

    Continue on Route 1

    1.1 km · 1 min · Route 1

  22. 22

    Take the exit slight right

    1414 ft · 39 sec

  23. 23

    Keep slight right

    114 m · 12 sec

  24. 24

    Merge slight left onto Belmont Avenue

    3.9 mi · 5 min · Belmont Avenue

  25. 25

    Continue on Augusta Road

    4.8 mi · 5 min · Augusta Road

  26. 26

    Continue on Belfast Augusta Road East

    3.4 mi · 4 min · Belfast Augusta Road East

  27. 27

    Continue on Acadia Highway

    4 mi · 4 min · Acadia Highway

  28. 28

    Continue on Belfast Augusta Road

    17.6 mi · 21 min · Belfast Augusta Road

  29. 29

    Continue on Belfast Road

    1077 ft · 17 sec · Belfast Road

  30. 30

    Continue on North Belfast Avenue

    8.1 mi · 12 min · North Belfast Avenue

  31. 31

    Turn left onto North Belfast Avenue

    1.6 km · 2 min · North Belfast Avenue

  32. 32

    At the end of the road, turn left onto Bangor Street

    2936 ft · 53 sec · Bangor Street

  33. 33

    Enter the roundabout and take exit 2 toward Cony Circle

    49 m · 3 sec · Memorial Drive

  34. 34

    Exit the rotary onto Memorial Drive

    1.1 km · 2 min · Memorial Drive

  35. 35

    Enter the roundabout and take exit 3 toward Memorial Circle

    122 m · 7 sec · State Street

  36. 36

    Exit the rotary onto State Street

    1007 ft · 19 sec · State Street

  37. 37

    Turn right onto Capitol Street

    1.3 km · 1 min · Capitol Street

  38. 38

    Turn straight onto Armory Street

    915 ft · 20 sec · Armory Street

  39. 39

    Turn left onto Western Avenue

    1.1 km · 1 min · Western Avenue

  40. 40

    Take the exit slight right toward I 95: Portland, Waterville, Bangor

    1829 ft · 44 sec

  41. 41

    Keep slight left to continue on I-95 South: Portland, Kittery

    3262 ft · 1 min

  42. 42

    Merge slight left onto Maine Turnpike

    5.9 mi · 6 min · Maine Turnpike

  43. 43

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

    50.5 mi · 59 min

  44. 44

    Keep slight left

    2.6 mi · 4 min

  45. 45

    Merge slight left onto Maine Turnpike

    7.3 mi · 8 min · Maine Turnpike

  46. 46

    Take the exit slight right toward I 195 East: Saco, Old Orchard Beach

    965 ft · 27 sec

  47. 47

    Keep slight left to continue on RT-112 Buxton Rd: Saco, Buxton

    2800 ft · 1 min

  48. 48

    Continue on RT-112 Buxton Rd: Saco, Buxton

    769 ft · 19 sec

  49. 49

    Keep slight right to continue on RT-112 Buxton Rd: Saco, Buxton

    965 ft · 30 sec

  50. 50

    Turn left onto Buxton Road

    65 m · 4 sec · Buxton Road

  51. 51

    Continue on North Street

    1.7 mi · 3 min · North Street

  52. 52

    Turn left onto Main Street

    28 m · 3 sec · Main Street

  53. 53

    Arrive at your destination

    0 m · 1 sec · Main Street

Car Route Details

A richer read on the saved driving route between Southwest Harbor and Saco.

OSRM road route
Drive Character

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.

Directions
53 steps
19 turns on the saved route
Ramps & Exits
10
3 merges, 7 ramps or exits
Navigation Density
30.3 / 100 mi
Decision points by distance
Main Roads
I 295 South
53.2 mi · 30%
Belfast Augusta Road
17.6 mi · 10%
Route 1
15.5 mi · 9%
Acadia Highway
13.4 mi · 8%
Maine Turnpike
13.2 mi · 8%
North Belfast Avenue
9.05 mi · 5%
Longest Stretch

I 295 South

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

50.5 mi · 00h 59m

Route Summary

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

Trip Read

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.

Drive Time
03h 45m
Long day trip
Same-Day Return
07h 32m
Round-trip wheel time
Road vs Air
+56.4 mi
118.4 mi direct line
Halfway Stop
Palermo
01h 52m from Southwest Harbor
Leave By
9:28 AM EDT
Early departure recommended
Weather Watch

Sunny leaving Southwest Harbor and Sunny near Saco.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Southwest Harbor to Saco?

The road trip is about 174.8 miles (281.3 km) and usually takes 03h 45m 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?

Palermo is a useful midpoint, sitting about 87.2 miles from Southwest Harbor and 87.6 miles from Saco.

How much longer is the road route than the straight-line distance?

The direct path is about 118.4 miles (190.5 km), while the road route adds roughly 56.4 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 9:28 AM EDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $26.71 one way or $53.42 round trip. Estimated CO2 is about 54.8 kg one way.

What should you check before leaving?

Before you leave, expect Sunny around Southwest Harbor and Sunny near Saco.

Stop Ideas Near Palermo

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

Mid-route Guidance
These suggestions come from reviewed places and nearby services around Palermo and the surrounding midpoint area.
Waterville Opera House
Scenic stop 10.9 mi away

Waterville Opera House

Waterville , ME
1 Common St, Waterville, ME 04901
Rating 4.7/5 291 reviews Opera house,Comedy club,Concert hall,Historical landmark,Performing arts theater
Augusta City Hall
Meeting point 13.7 mi away

Augusta City Hall

Augusta , ME
16 Cony St, Augusta, ME 04330
Rating 4.1/5 22 reviews City Hall
Stop photo coming soon
Nearby stop 13.7 mi away

Inn At City Hall

Augusta , ME
1 Cony St, Augusta, ME 04330
Rating 5.0/5 1 reviews Retirement home

Transit and Meeting Points

Useful pickup, handoff, or rendezvous points close to Palermo.

BUS

Augusta, ME

26 mi away
9 Industrial Drive
BUS

Waldoboro, Maine

35 mi away
US hwy 1 and hwy 32
BUS

Belfast, Maine

36 mi away
Belmont Ave & US Hwy 1
BUS

Camden/Rockport, Maine

38 mi away
234 Park St.

Flight Path Map

This map shows the direct air route between Southwest Harbor and Saco. Straight-line distance: 118.38 mi (190.52 km).

Southwest Harbor

#1 Southwest Harbor

City in Hancock County, Maine, United States of America

Population1,793
Coordinates44.2798000, -68.3250200
Altitude13
CountryUnited States
Saco

#2 Saco

City in York County, Maine

Population20,121
Coordinates43.5009200, -70.4428300
Altitude20
CountryUnited States
Start: Southwest Harbor (-68.32502, 44.2798)
End: Saco (-70.44283, 43.50092)

Estimated Travel Time

Distance: 281 km by road

SpeedTime
30 mph (48.3 km/h)05h 49m
40 mph (64.37 km/h)04h 22m
50 mph (80.47 km/h)03h 29m
60 mph (96.56 km/h)02h 54m
70 mph (112.65 km/h)02h 29m
80 mph (129 km/h)02h 10m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
6.17 gal
23.34 L · about $26.71
Round trip
$53.42
12.34 gal · 46.68 L
Estimated CO2
54.8 kg one way
Round trip: 109.7 kg / 242 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.33 $26.71 $53.42
Mid-grade $4.89 $30.18 $60.37
Premium $5.36 $33.07 $66.14
Diesel $6.43 $39.67 $79.33

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 · Oct 22, 2026

There is no time difference between Southwest Harbor and Saco. The current time is 07:12:49.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.