How far is Big Lake, AK from Sitka, AK?
The driving distance from Big Lake, AK to Sitka, AK is about 990.1 miles (1593.4 km), with a travel time of about 38h 31m by car.
- The straight-line flight distance is about 599.4 miles (964.6 km).
- For a round trip, plan for roughly 77h 03m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 AM AKDT.
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.
This drive is better planned with a longer stop or an overnight stay.
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 38h 31m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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 Alaska, USA
Route Weather Snapshot
Check the forecast at both ends before you head out.
Chance Light Rain
Heavy Rain
Driving Route Map
The map below follows the saved road route between Big Lake and Sitka.
Turn-by-Turn Driving Directions
Step-by-step road directions between Big Lake and Sitka.
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1
Start on South Crocodile Way
105 m · 15 sec · South Crocodile Way
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2
Continue on West Tinkerbell Court
860 ft · 38 sec · West Tinkerbell Court
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3
Turn left onto South Jay Sedor Street
3075 ft · 2 min · South Jay Sedor Street
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4
Turn left onto West Susitna Parkway
3.6 mi · 7 min · West Susitna Parkway
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5
Continue on South Big Lake Road
2.9 mi · 5 min · South Big Lake Road
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6
Enter the roundabout and take exit 1 toward Big Lake road
5 m · 1 sec · Big Lake road
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7
Exit the roundabout onto Big Lake road
650 ft · 13 sec · Big Lake road
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8
Turn straight onto West Big Lake Road
3.4 mi · 5 min · West Big Lake Road
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9
Turn right onto West Parks Highway
18 mi · 25 min · West Parks Highway
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10
Continue on Glenn Highway
33.1 mi · 38 min · Glenn Highway
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11
Continue on East 5th Avenue
1.5 mi · 3 min · East 5th Avenue
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12
Turn left onto Gambell Street
1.1 mi · 3 min · Gambell Street
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13
Continue on Seward Highway
47.1 mi · 58 min · Seward Highway
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14
Turn left onto Portage Glacier Road
5 mi · 7 min · Portage Glacier Road
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15
Continue on Portage Glacier Highway
4.7 mi · 11 min · Portage Glacier Highway
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16
Continue on West Camp Road
1.5 mi · 2 min · West Camp Road
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17
Turn right
52 m · 8 sec
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18
Turn left
76 m · 4 sec
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19
Turn straight onto Alaska Marine Highway - Whittier-Yakutat
334.5 mi · 22 hr · Alaska Marine Highway - Whittier-Yakutat
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20
Turn sharp right onto Alaska Marine Highway - Juneau-Yakutat
262.6 mi · 17 hr · Alaska Marine Highway - Juneau-Yakutat
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21
Turn sharp right onto Alaska Marine Highway - Sitka-Juneau
153.9 mi · 9 hr 30 min · Alaska Marine Highway - Sitka-Juneau
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22
Continue straight
662 ft · 50 sec
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23
At the end of the road, turn right onto Halibut Point Road
6.6 mi · 12 min · Halibut Point Road
-
24
Enter the roundabout and take exit 2 toward Sawmill Creek Road
36 m · 2 sec · Sawmill Creek Road
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25
Exit the roundabout onto Sawmill Creek Road
752 ft · 17 sec · Sawmill Creek Road
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26
Turn right onto Baranof Street
67 m · 10 sec · Baranof Street
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27
Arrive at your destination
0 m · 1 sec · Baranof Street
Car Route Details
A richer read on the saved driving route between Big Lake and Sitka.
Long-distance drive
This route is long enough that fuel, rest stops, weather, and timing matter more than any single maneuver.
Alaska Marine Highway - Whittier-Yakutat
Turn straight 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.
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.
Chance Light Rain leaving Big Lake and Heavy Rain near Sitka.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Big Lake to Sitka?
The road trip is about 990.1 miles (1593.4 km) and usually takes 38h 31m 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?
Haines is a useful midpoint, sitting about 438.9 miles from Big Lake and 551.2 miles from Sitka.
How much longer is the road route than the straight-line distance?
The direct path is about 599.4 miles (964.6 km), while the road route adds roughly 390.7 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 $174.07 one way or $348.14 round trip. Estimated CO2 is about 310.5 kg one way.
What should you check before leaving?
Before you leave, expect Chance Light Rain around Big Lake and Heavy Rain near Sitka.
Flight Path Map
This map shows the direct air route between Big Lake and Sitka. Straight-line distance: 599.39 mi (964.62 km).
#1 Big Lake
This freshwater lake is situated in the Matanuska-Susitna Borough of Alaska, at an elevation of 144 feet.
| Population | 0 |
| Coordinates | 61.5213900, -149.9544400 |
| Altitude | 44 |
| Country | United States |
#2 Sitka
City-borough in Alaska, USA
| Population | 8,493 |
| Coordinates | 57.0531500, -135.3308800 |
| Altitude | 8 |
| Country | United States |
End: Baranof Street (-135.330703, 57.053171)
Estimated Travel Time
Distance: 1593 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 32h 59m |
| 40 mph (64.37 km/h) | 24h 45m |
| 50 mph (80.47 km/h) | 19h 48m |
| 60 mph (96.56 km/h) | 16h 30m |
| 70 mph (112.65 km/h) | 14h 08m |
| 80 mph (129 km/h) | 12h 21m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.98 | $174.07 | $348.14 |
| Mid-grade | $5.23 | $182.77 | $365.54 |
| Premium | $5.45 | $190.35 | $380.71 |
| Diesel | $6.57 | $229.56 | $459.11 |
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