How far is Sitka, AK from Nikiski, AK?

The driving distance from Sitka, AK to Nikiski, AK is about 891.8 miles (1435.2 km), with a travel time of about 51h 58m by car.

  • The straight-line flight distance is about 620.9 miles (999.2 km).
  • For a round trip, plan for roughly 103h 56m 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
891.8 mi
51h 58m
Flight
620.89 mi
999.22 km direct

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

Learn Distance

Choose another destination from Sitka.

Flight Distance

Direct air line
620.89 mi
Kilometers
999.22 km
Flight Time
01h 14m

Driving Distance

Road route
891.8 mi
Kilometers
1435.22 km
Drive Time
51h 58m

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 51h 58m.

Arrival Snapshot
Arrive in Nikiski
Sat, Apr 25, 4:07 AM AKDT
Return by in Sitka
Mon, Apr 27, 8:05 AM AKDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Sitka
2026-04-23T00:09
Arrive Nikiski
Sat, Apr 25, 4:07 AM AKDT
Route Timing
51h 58m
One way by road
Best Departure Window
6:00 AM to 7:30 AM AKDT
Treat this as a longer travel day
Arrive between
9:58 AM to 11:28 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
4:04 AM AKDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Sitka
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
Haines
AK

City in Alaska, USA

From Sitka
444.6 mi
25h 59m
To Nikiski
447.2 mi
25h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
39°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 23 6:00 AM AKDT
Wind
5 mph W
Destination
45°F
Thursday

Light Rain

Starts
Thu, Apr 23 6:00 AM AKDT
Wind
0 to 5 mph NE

Driving Route Map

The map below follows the saved road route between Sitka and Nikiski.

Turn-by-Turn Driving Directions

Step-by-step road directions between Sitka and Nikiski.

  1. 1

    Start on Baranof Street

    67 m · 15 sec · Baranof Street

  2. 2

    Turn left onto Sawmill Creek Road

    744 ft · 15 sec · Sawmill Creek Road

  3. 3

    Enter the roundabout and take exit 2 toward Halibut Point Road

    18 m · 1 sec · Halibut Point Road

  4. 4

    Exit the roundabout onto Halibut Point Road

    6.6 mi · 12 min · Halibut Point Road

  5. 5

    Turn left

    662 ft · 48 sec

  6. 6

    Turn straight onto Alaska Marine Highway - Sitka-Juneau

    153.9 mi · 9 hr 30 min · Alaska Marine Highway - Sitka-Juneau

  7. 7

    Turn sharp left onto Alaska Marine Highway - Juneau-Yakutat

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

  8. 8

    Turn sharp left onto Alaska Marine Highway - Whittier-Yakutat

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

  9. 9

    Continue straight

    114 m · 7 sec

  10. 10

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

    53 m · 9 sec · West Camp Road

  11. 11

    Continue on West Camp Road

    1.4 mi · 2 min · West Camp Road

  12. 12

    Continue on Portage Glacier Highway

    4.7 mi · 11 min · Portage Glacier Highway

  13. 13

    Continue on Portage Glacier Road

    5 mi · 7 min · Portage Glacier Road

  14. 14

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

    40.7 mi · 48 min · Seward Highway

  15. 15

    Take the exit slight right

    58.4 mi · 1 hr 26 min

  16. 16

    Turn right onto Kalifornsky Beach Road

    6 mi · 8 min · Kalifornsky Beach Road

  17. 17

    Turn right onto Bridge Access Road

    3.3 mi · 5 min · Bridge Access Road

  18. 18

    Turn left onto Kenai Spur Highway

    10.6 mi · 16 min · Kenai Spur Highway

  19. 19

    Turn right onto Miller Loop Road

    1.2 mi · 2 min · Miller Loop Road

  20. 20

    Continue on Miller Loop Road

    1.1 km · 1 min · Miller Loop Road

  21. 21

    Turn left onto Island Lake Road

    1.3 km · 3 min · Island Lake Road

  22. 22

    Turn right onto Bastien Drive

    1 mi · 4 min · Bastien Drive

  23. 23

    Continue on Rachet Avenue

    155 m · 22 sec · Rachet Avenue

  24. 24

    Arrive at your destination

    0 m · 1 sec · Rachet Avenue

Car Route Details

A richer read on the saved driving route between Sitka and Nikiski.

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
24 steps
15 turns on the saved route
Ramps & Exits
3
0 merges, 3 ramps or exits
Navigation Density
2.7 / 100 mi
Decision points by distance
Main Roads
Alaska Marine Highway - Whittier-Yakutat
335 mi · 38%
Alaska Marine Highway - Juneau-Yakutat
263 mi · 29%
Alaska Marine Highway - Sitka-Juneau
154 mi · 17%
Seward Highway
99.1 mi · 11%
Kenai Spur Highway
10.6 mi · 1%
Halibut Point Road
6.59 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
51h 58m
Overnight route
Same-Day Return
103h 56m
Round-trip wheel time
Road vs Air
+270.9 mi
620.9 mi direct line
Halfway Stop
Haines
25h 59m from Sitka
Leave By
4:04 AM AKDT
Overnight-style route
Weather Watch

Mostly Cloudy leaving Sitka and Light Rain near Nikiski.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Sitka to Nikiski?

The road trip is about 891.8 miles (1435.2 km) and usually takes 51h 58m 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 444.6 miles from Sitka and 447.2 miles from Nikiski.

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

The direct path is about 620.9 miles (999.2 km), while the road route adds roughly 270.9 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 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 $155.81 one way or $311.62 round trip. Estimated CO2 is about 279.7 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Sitka and Light Rain near Nikiski.

Flight Path Map

This map shows the direct air route between Sitka and Nikiski. Straight-line distance: 620.89 mi (999.22 km).

Sitka

#1 Sitka

City-borough in Alaska, USA

Population8,493
Coordinates57.0531500, -135.3308800
Altitude8
CountryUnited States
Nikiski

#2 Nikiski

Census-designated place in Kenai Peninsula Borough, Alaska

Population4,493
Coordinates60.6902800, -151.2888900
Altitude40
CountryUnited States
Start: Sitka (-135.33088, 57.05315)
End: Nikiski (-151.28889, 60.69028)

Estimated Travel Time

Distance: 1435 km by road

SpeedTime
30 mph (48.3 km/h)29h 42m
40 mph (64.37 km/h)22h 17m
50 mph (80.47 km/h)17h 50m
60 mph (96.56 km/h)14h 51m
70 mph (112.65 km/h)12h 44m
80 mph (129 km/h)11h 07m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
31.47 gal
119.12 L · about $155.81
Round trip
$311.62
62.94 gal · 238.24 L
Estimated CO2
279.7 kg one way
Round trip: 559.3 kg / 1233 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $155.81 $311.62
Mid-grade $5.34 $167.99 $335.97
Premium $5.57 $175.16 $350.32
Diesel $6.37 $200.34 $400.68

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 · Apr 23, 2026

There is no time difference between Sitka and Nikiski. The current time is 00:09:06.

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.