How far is Juneau, AK from Big Lake, AK?

The driving distance from Juneau, AK to Big Lake, AK is about 732.5 miles (1178.8 km), with a travel time of about 42h 04m by car.

  • The straight-line flight distance is about 580.5 miles (934.2 km).
  • For a round trip, plan for roughly 84h 09m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 AM AKDT.
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
732.5 mi
42h 04m
Flight
580.48 mi
934.19 km direct

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

Learn Distance

Choose another destination from Juneau.

Flight Distance

Direct air line
580.48 mi
Kilometers
934.19 km
Flight Time
01h 10m

Driving Distance

Road route
732.5 mi
Kilometers
1178.84 km
Drive Time
42h 04m

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 42h 04m.

Arrival Snapshot
Arrive in Big Lake
Sat, Oct 17, 6:50 AM AKDT
Return by in Juneau
Mon, Oct 19, 12:55 AM AKDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Juneau
2026-10-15T12:45
Arrive Big Lake
Sat, Oct 17, 6:50 AM AKDT
Route Timing
42h 04m
One way by road
Best Departure Window
6:00 AM to 7:30 AM AKDT
Treat this as a longer travel day
Arrive between
12:05 AM to 1:35 AM AKDT

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

Leave by
11:50 PM AKDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Juneau
8:00 PM AKDT
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
Cordova
AK

City in Alaska, USA

From Juneau
365.1 mi
21h 02m
To Big Lake
367.4 mi
21h 02m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
46°F
Today

Heavy Rain

Starts
Thu, Oct 15 7:00 AM AKDT
Wind
15 to 20 mph SE
Destination
44°F
Thursday

Chance Light Rain

Starts
Thu, Oct 15 6:00 AM AKDT
Wind
5 mph N

Driving Route Map

The map below follows the saved road route between Juneau and Big Lake.

Turn-by-Turn Driving Directions

Step-by-step road directions between Juneau and Big Lake.

  1. 1

    Start on the route

    10 m · 8 sec

  2. 2

    Turn left onto West 9th Street

    110 m · 12 sec · West 9th Street

  3. 3

    At the end of the road, turn right onto Glacier Avenue

    2343 ft · 48 sec · Glacier Avenue

  4. 4

    Turn left onto Highland Drive

    92 m · 8 sec · Highland Drive

  5. 5

    Turn right onto Egan Drive

    8.1 mi · 11 min · Egan Drive

  6. 6

    Continue on Glacier Highway

    2.3 mi · 3 min · Glacier Highway

  7. 7

    Enter the roundabout and take exit 2 toward DeHart's Traffic Circle

    63 m · 3 sec · Glacier Highway

  8. 8

    Exit the rotary onto Glacier Highway

    1.6 mi · 2 min · Glacier Highway

  9. 9

    Turn left

    117 m · 5 sec

  10. 10

    Turn straight onto Alaska Marine Highway - Juneau-Yakutat

    262.6 mi · 17 hr · Alaska Marine Highway - Juneau-Yakutat

  11. 11

    Turn sharp left onto Alaska Marine Highway - Whittier-Yakutat

    334.5 mi · 22 hr · Alaska Marine Highway - Whittier-Yakutat

  12. 12

    Continue straight

    114 m · 7 sec

  13. 13

    At the end of the road, turn right onto West Camp Road

    53 m · 9 sec · West Camp Road

  14. 14

    Continue on West Camp Road

    1.4 mi · 2 min · West Camp Road

  15. 15

    Continue on Portage Glacier Highway

    4.7 mi · 11 min · Portage Glacier Highway

  16. 16

    Continue on Portage Glacier Road

    5 mi · 7 min · Portage Glacier Road

  17. 17

    Turn right onto Seward Highway

    47.2 mi · 59 min · Seward Highway

  18. 18

    Continue on Ingra Street

    1 mi · 2 min · Ingra Street

  19. 19

    Turn right onto East 6th Avenue

    1924 ft · 57 sec · East 6th Avenue

  20. 20

    Continue on East 5th Avenue

    1 mi · 2 min · East 5th Avenue

  21. 21

    Continue on Glenn Highway

    33 mi · 38 min · Glenn Highway

  22. 22

    Keep slight left to continue on East Parks Highway

    14.5 mi · 20 min · East Parks Highway

  23. 23

    Continue on West Parks Highway

    3.5 mi · 5 min · West Parks Highway

  24. 24

    Turn left onto West Big Lake Road

    3.6 mi · 5 min · West Big Lake Road

  25. 25

    Enter the roundabout and take exit 3 toward South Big Lake Road

    60 m · 5 sec · South Big Lake Road

  26. 26

    Exit the roundabout onto South Big Lake Road

    2.9 mi · 5 min · South Big Lake Road

  27. 27

    Continue on West Susitna Parkway

    3.6 mi · 7 min · West Susitna Parkway

  28. 28

    Turn right onto South Jay Sedor Street

    3134 ft · 2 min · South Jay Sedor Street

  29. 29

    Turn right onto West Tinkerbell Court

    801 ft · 35 sec · West Tinkerbell Court

  30. 30

    Continue on South Crocodile Way

    105 m · 15 sec · South Crocodile Way

  31. 31

    Arrive at your destination

    0 m · 1 sec · South Crocodile Way

Car Route Details

A richer read on the saved driving route between Juneau and Big Lake.

OSRM road route
Drive Character

Long-distance drive

This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.

Directions
31 steps
17 turns on the saved route
Ramps & Exits
4
0 merges, 4 ramps or exits
Navigation Density
4.2 / 100 mi
Decision points by distance
Main Roads
Alaska Marine Highway - Whittier-Yakutat
335 mi · 46%
Alaska Marine Highway - Juneau-Yakutat
263 mi · 36%
Seward Highway
47.2 mi · 6%
Glenn Highway
33 mi · 5%
East Parks Highway
14.5 mi · 2%
Egan Drive
8.08 mi · 1%
Longest Stretch

Alaska Marine Highway - Whittier-Yakutat

Turn sharp left onto Alaska Marine Highway - Whittier-Yakutat

334 mi · 22h 00m

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
42h 04m
Overnight route
Same-Day Return
84h 10m
Round-trip wheel time
Road vs Air
+152 mi
580.5 mi direct line
Halfway Stop
Cordova
21h 02m from Juneau
Leave By
11:50 PM AKDT
Overnight-style route
Weather Watch

Heavy Rain leaving Juneau and Chance Light Rain near Big Lake.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Juneau to Big Lake?

The road trip is about 732.5 miles (1178.8 km) and usually takes 42h 04m 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?

Cordova is a useful midpoint, sitting about 365.1 miles from Juneau and 367.4 miles from Big Lake.

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

The direct path is about 580.5 miles (934.2 km), while the road route adds roughly 152 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 AKDT. 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 $128.78 one way or $257.57 round trip. Estimated CO2 is about 229.7 kg one way.

What should you check before leaving?

Before you leave, expect Heavy Rain around Juneau and Chance Light Rain near Big Lake.

Flight Path Map

This map shows the direct air route between Juneau and Big Lake. Straight-line distance: 580.48 mi (934.19 km).

Juneau

#1 Juneau

City in and state capital of Alaska, United States

Population31,974
Coordinates58.3019400, -134.4197200
Altitude17
CountryUnited States
Photo coming soon

#2 Big Lake

This freshwater lake is situated in the Matanuska-Susitna Borough of Alaska, at an elevation of 144 feet.

Population0
Coordinates61.5213900, -149.9544400
Altitude44
CountryUnited States
Start: Juneau (-134.41972, 58.30194)
End: Big Lake (-149.95444, 61.52139)

Estimated Travel Time

Distance: 1179 km by road

SpeedTime
30 mph (48.3 km/h)24h 24m
40 mph (64.37 km/h)18h 18m
50 mph (80.47 km/h)14h 38m
60 mph (96.56 km/h)12h 12m
70 mph (112.65 km/h)10h 27m
80 mph (129 km/h)09h 08m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
25.85 gal
97.84 L · about $128.78
Round trip
$257.57
51.7 gal · 195.68 L
Estimated CO2
229.7 kg one way
Round trip: 459.5 kg / 1013 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.98 $128.78 $257.57
Mid-grade $5.23 $135.22 $270.44
Premium $5.45 $140.83 $281.66
Diesel $6.57 $169.83 $339.67

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 Alaska · Oct 15, 2026

There is no time difference between Juneau and Big Lake. The current time is 12:45:06.

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.