How far is Deer Isle, ME from City of Portland, ME?

The driving distance from Deer Isle, ME to City of Portland, ME is about 158.6 miles (255.2 km), with a travel time of about 07h 05m by car.

  • The straight-line flight distance is about 84.2 miles (135.5 km).
  • For a round trip, plan for roughly 14h 10m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
158.55 mi
07h 05m
Flight
84.2 mi
135.51 km direct

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

Learn Distance

Choose another destination from Deer Isle.

Flight Distance

Direct air line
84.2 mi
Kilometers
135.51 km
Flight Time
00h 10m

Driving Distance

Road route
158.55 mi
Kilometers
255.16 km
Drive Time
07h 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 07h 05m.

Arrival Snapshot
Arrive in City of Portland
Sun, May 31, 6:26 PM EDT
Return by in Deer Isle
Mon, Jun 1, 1:31 AM EDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Deer Isle
2026-05-31T11:21
Arrive City of Portland
Sun, May 31, 6:26 PM EDT
Route Timing
07h 05m
One way by road
Best Departure Window
6:00 AM to 7:30 AM EDT
Treat this as a longer travel day
Arrive between
1:05 PM to 2:35 PM EDT

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
9:50 PM EDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Deer Isle
8:00 PM EDT
Overnight-style route

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
Palermo
ME

Town in Waldo County, Maine, United States of America

From Deer Isle
78.1 mi
03h 32m
To City of Portland
80.4 mi
03h 32m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Deer Isle Weather
ME
Live fallback forecast
54°F
Sunday
Using Blue Hill as the closest live forecast in the Hancock County weather hub.

Mostly Sunny

Starts
Sun, May 31 6:00 AM EDT
Wind
2 to 9 mph E
Destination
City of Portland Weather
ME
Live fallback forecast
60°F
Sunday
Using Portland as the closest live forecast in the Cumberland County weather hub.

Mostly Sunny then Showers And Thunderstorms Likely

Starts
Sun, May 31 6:00 AM EDT
Wind
5 to 10 mph S

Driving Route Map

The map below follows the saved road route between Deer Isle and City of Portland.

Turn-by-Turn Driving Directions

Step-by-step road directions between Deer Isle and City of Portland.

  1. 1

    Start on King Row

    41 m · 7 sec · King Row

  2. 2

    Turn right onto North Deer Isle Road

    4.6 mi · 8 min · North Deer Isle Road

  3. 3

    Continue on Little Deer Isle Road

    1.5 km · 2 min · Little Deer Isle Road

  4. 4

    Continue on Deer Isle Sedgwick Bridge

    2510 ft · 50 sec · Deer Isle Sedgwick Bridge

  5. 5

    Continue on Byards Point Road

    1.3 mi · 2 min · Byards Point Road

  6. 6

    Turn left onto Caterpillar Hill Road

    2.9 mi · 5 min · Caterpillar Hill Road

  7. 7

    Continue on Snows Cove Road

    2.9 mi · 5 min · Snows Cove Road

  8. 8

    Continue on Graytown Road

    2.6 mi · 5 min · Graytown Road

  9. 9

    Continue on Southern Bay Road

    4.6 mi · 8 min · Southern Bay Road

  10. 10

    Turn right onto North Penobscot Road

    5 mi · 9 min · North Penobscot Road

  11. 11

    At the end of the road, turn left onto Front Ridge Road

    3.7 mi · 6 min · Front Ridge Road

  12. 12

    At the end of the road, turn left onto Acadia Highway

    3.4 mi · 4 min · Acadia Highway

  13. 13

    Continue on Route 1

    1.6 km · 1 min · Route 1

  14. 14

    Continue on Main Street

    41 m · 9 sec · Main Street

  15. 15

    Turn left onto Route 1

    682 ft · 17 sec · Route 1

  16. 16

    Continue on US Highway 1

    1.2 mi · 3 min · US Highway 1

  17. 17

    Continue on Route 1

    13.4 mi · 16 min · Route 1

  18. 18

    Continue on Searsport Avenue

    2.7 mi · 5 min · Searsport Avenue

  19. 19

    Continue on Route 1

    1.1 km · 1 min · Route 1

  20. 20

    Take the exit slight right

    1414 ft · 39 sec

  21. 21

    Keep slight right

    114 m · 12 sec

  22. 22

    Merge slight left onto Belmont Avenue

    3.9 mi · 5 min · Belmont Avenue

  23. 23

    Continue on Augusta Road

    4.8 mi · 5 min · Augusta Road

  24. 24

    Continue on Belfast Augusta Road East

    3.4 mi · 4 min · Belfast Augusta Road East

  25. 25

    Continue on Acadia Highway

    4 mi · 4 min · Acadia Highway

  26. 26

    Continue on Belfast Augusta Road

    17.6 mi · 21 min · Belfast Augusta Road

  27. 27

    Continue on Belfast Road

    1077 ft · 17 sec · Belfast Road

  28. 28

    Continue on North Belfast Avenue

    8.1 mi · 12 min · North Belfast Avenue

  29. 29

    Turn left onto North Belfast Avenue

    1.6 km · 2 min · North Belfast Avenue

  30. 30

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

    2936 ft · 53 sec · Bangor Street

  31. 31

    Enter the roundabout and take exit 2 toward Cony Circle

    49 m · 3 sec · Memorial Drive

  32. 32

    Exit the rotary onto Memorial Drive

    1.1 km · 2 min · Memorial Drive

  33. 33

    Enter the roundabout and take exit 3 toward Memorial Circle

    122 m · 7 sec · State Street

  34. 34

    Exit the rotary onto State Street

    1007 ft · 19 sec · State Street

  35. 35

    Turn right onto Capitol Street

    1.3 km · 1 min · Capitol Street

  36. 36

    Turn straight onto Armory Street

    915 ft · 20 sec · Armory Street

  37. 37

    Turn left onto Western Avenue

    1.1 km · 1 min · Western Avenue

  38. 38

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

    1829 ft · 44 sec

  39. 39

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

    3262 ft · 1 min

  40. 40

    Merge slight left onto Maine Turnpike

    5.9 mi · 6 min · Maine Turnpike

  41. 41

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

    46.5 mi · 53 min

  42. 42

    Take the exit slight right toward US 1A

    1.1 mi · 3 min

  43. 43

    Continue on Maine State Pier

    668 ft · 29 sec · Maine State Pier

  44. 44

    Turn slight right

    57 m · 14 sec

  45. 45

    Turn straight onto Portland - Peaks Island

    2.5 mi · 20 min · Portland - Peaks Island

  46. 46

    Continue straight

    65 m · 16 sec

  47. 47

    Continue on Welch Street

    1078 ft · 50 sec · Welch Street

  48. 48

    Turn right onto Oakland Avenue

    594 ft · 26 sec · Oakland Avenue

  49. 49

    Turn slight left onto Whitehead Street

    107 m · 15 sec · Whitehead Street

  50. 50

    Continue on Seashore Avenue

    1046 ft · 46 sec · Seashore Avenue

  51. 51

    Continue on Seashore Avenue

    3044 ft · 2 min · Seashore Avenue

  52. 52

    Arrive at your destination

    0 m · 1 sec · Seashore Avenue

Car Route Details

A richer read on the saved driving route between Deer Isle and City of Portland.

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
52 steps
20 turns on the saved route
Ramps & Exits
9
2 merges, 7 ramps or exits
Navigation Density
32.8 / 100 mi
Decision points by distance
Main Roads
I 295 South
46.5 mi · 29%
Belfast Augusta Road
17.6 mi · 11%
Route 1
15.5 mi · 10%
North Belfast Avenue
9.05 mi · 6%
Acadia Highway
7.33 mi · 5%
Maine Turnpike
5.93 mi · 4%
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

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
07h 05m
Overnight route
Same-Day Return
14h 10m
Round-trip wheel time
Road vs Air
+74.4 mi
84.2 mi direct line
Halfway Stop
Palermo
03h 32m from Deer Isle
Leave By
9:50 PM EDT
Overnight-style route
Weather Watch

Mostly Sunny leaving Deer Isle and Mostly Sunny then Showers And Thunderstorms Likely near City of Portland.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Deer Isle to City of Portland?

The road trip is about 158.6 miles (255.2 km) and usually takes 07h 05m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Palermo is a useful midpoint, sitting about 78.1 miles from Deer Isle and 80.4 miles from City of Portland.

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

The direct path is about 84.2 miles (135.5 km), while the road route adds roughly 74.4 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 7:30 AM EDT. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $22.09 one way or $44.18 round trip. Estimated CO2 is about 49.8 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Deer Isle and Mostly Sunny then Showers And Thunderstorms Likely near City of Portland.

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 12.4 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
Sidney Town Hall
Meeting point 13.2 mi away

Sidney Town Hall

Sidney , ME
2986 Middle Rd, Sidney, ME 04330
Rating 4.9/5 10 reviews City Hall

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 Deer Isle and City of Portland. Straight-line distance: 84.2 mi (135.51 km).

Deer Isle

#1 Deer Isle

Town in Hancock County, Maine, United States

Population1,911
Coordinates44.2239700, -68.6775300
Altitude12
CountryUnited States
City of Portland

#2 City of Portland

The twenty-eighth most populous city in the United States and the center of the Portland metropolitan area.

Population653,115
Coordinates43.6470800, -70.1682300
Altitude36
CountryUnited States
Start: King Row (-68.677463, 44.223793)
End: Seashore Avenue (-70.181795, 43.65347)

Estimated Travel Time

Distance: 255 km by road

SpeedTime
30 mph (48.3 km/h)05h 16m
40 mph (64.37 km/h)03h 57m
50 mph (80.47 km/h)03h 10m
60 mph (96.56 km/h)02h 38m
70 mph (112.65 km/h)02h 15m
80 mph (129 km/h)01h 58m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.6 gal
21.18 L · about $22.09
Round trip
$44.18
11.2 gal · 42.36 L
Estimated CO2
49.8 kg one way
Round trip: 99.5 kg / 219 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $3.95 $22.09 $44.18
Mid-grade $4.46 $24.96 $49.92
Premium $4.86 $27.20 $54.41
Diesel $6.00 $33.58 $67.17

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 31, 2026

There is no time difference between Deer Isle and City of Portland. The current time is 11:21:24.

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.