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

The driving distance from Kenai, AK to Big Lake, AK is about 221.2 miles (356 km), with a travel time of about 04h 57m by car.

  • The straight-line flight distance is about 79.8 miles (128.4 km).
  • For a round trip, plan for roughly 09h 55m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 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
221.2 mi
04h 57m
Flight
79.79 mi
128.41 km direct

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

Learn Distance

Choose another destination from Kenai.

Flight Distance

Direct air line
79.79 mi
Kilometers
128.41 km
Flight Time
00h 09m

Driving Distance

Road route
221.2 mi
Kilometers
355.99 km
Drive Time
04h 57m

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 04h 57m.

Arrival Snapshot
Arrive in Big Lake
Thu, Oct 15, 3:41 PM AKDT
Return by in Kenai
Thu, Oct 15, 8:39 PM AKDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kenai
2026-10-15T10:43
Arrive Big Lake
Thu, Oct 15, 3:41 PM AKDT
Route Timing
04h 57m
One way by road
Best Departure Window
6:00 AM to 8:00 AM AKDT
Leave early for more breathing room
Arrive between
10:58 AM to 12:58 PM AKDT

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

Leave by
7:04 AM AKDT
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kenai
9:00 PM AKDT
Early departure recommended

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
Girdwood
AK

City in United States of America

From Kenai
110.1 mi
02h 28m
To Big Lake
111.1 mi
02h 28m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
45°F
Thursday

Light Rain Likely

Starts
Thu, Oct 15 6:00 AM AKDT
Wind
20 mph NE
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 Kenai and Big Lake.

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Frontage Road

    142 m · 25 sec · Frontage Road

  2. 2

    Turn left onto Broad Street

    28 m · 6 sec · Broad Street

  3. 3

    Turn right onto Kenai Spur Highway

    2847 ft · 1 min · Kenai Spur Highway

  4. 4

    Turn right onto Bridge Access Road

    3.3 mi · 5 min · Bridge Access Road

  5. 5

    Turn left onto Kalifornsky Beach Road

    6 mi · 8 min · Kalifornsky Beach Road

  6. 6

    Turn left onto Sterling Highway

    58.4 mi · 1 hr 26 min · Sterling Highway

  7. 7

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

    88.5 mi · 1 hr 47 min · Seward Highway

  8. 8

    Continue on Ingra Street

    1 mi · 2 min · Ingra Street

  9. 9

    Turn right onto East 6th Avenue

    1924 ft · 57 sec · East 6th Avenue

  10. 10

    Continue on East 5th Avenue

    1 mi · 2 min · East 5th Avenue

  11. 11

    Continue on Glenn Highway

    33 mi · 38 min · Glenn Highway

  12. 12

    Keep slight left to continue on East Parks Highway

    14.5 mi · 20 min · East Parks Highway

  13. 13

    Continue on West Parks Highway

    3.5 mi · 5 min · West Parks Highway

  14. 14

    Turn left onto West Big Lake Road

    3.6 mi · 5 min · West Big Lake Road

  15. 15

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

    60 m · 5 sec · South Big Lake Road

  16. 16

    Exit the roundabout onto South Big Lake Road

    2.9 mi · 5 min · South Big Lake Road

  17. 17

    Continue on West Susitna Parkway

    3.6 mi · 7 min · West Susitna Parkway

  18. 18

    Turn right onto South Jay Sedor Street

    3134 ft · 2 min · South Jay Sedor Street

  19. 19

    Turn right onto West Tinkerbell Court

    801 ft · 35 sec · West Tinkerbell Court

  20. 20

    Continue on South Crocodile Way

    105 m · 15 sec · South Crocodile Way

  21. 21

    Arrive at your destination

    0 m · 1 sec · South Crocodile Way

Car Route Details

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

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
21 steps
12 turns on the saved route
Ramps & Exits
2
0 merges, 2 ramps or exits
Navigation Density
9.5 / 100 mi
Decision points by distance
Main Roads
Seward Highway
88.5 mi · 40%
Sterling Highway
58.4 mi · 26%
Glenn Highway
33 mi · 15%
East Parks Highway
14.5 mi · 7%
Kalifornsky Beach Road
5.98 mi · 3%
West Big Lake Road
3.56 mi · 2%
Longest Stretch

Seward Highway

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

88.5 mi · 01h 47m

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
04h 57m
Long day trip
Same-Day Return
09h 56m
Round-trip wheel time
Road vs Air
+141.4 mi
79.8 mi direct line
Halfway Stop
Girdwood
02h 28m from Kenai
Leave By
7:04 AM AKDT
Early departure recommended
Weather Watch

Light Rain Likely leaving Kenai 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 Kenai to Big Lake?

The road trip is about 221.2 miles (356 km) and usually takes 04h 57m 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?

Girdwood is a useful midpoint, sitting about 110.1 miles from Kenai and 111.1 miles from Big Lake.

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

The direct path is about 79.8 miles (128.4 km), while the road route adds roughly 141.4 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 AKDT. If you want a more comfortable same-day return, try to leave by 7:04 AM AKDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $38.91 one way or $77.82 round trip. Estimated CO2 is about 69.4 kg one way.

What should you check before leaving?

Before you leave, expect Light Rain Likely around Kenai and Chance Light Rain near Big Lake.

Flight Path Map

This map shows the direct air route between Kenai and Big Lake. Straight-line distance: 79.79 mi (128.41 km).

Kenai

#1 Kenai

City in Alaska

Population7,890
Coordinates60.5544400, -151.2583300
Altitude22
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: Kenai (-151.25833, 60.55444)
End: Big Lake (-149.95444, 61.52139)

Estimated Travel Time

Distance: 356 km by road

SpeedTime
30 mph (48.3 km/h)07h 22m
40 mph (64.37 km/h)05h 31m
50 mph (80.47 km/h)04h 25m
60 mph (96.56 km/h)03h 41m
70 mph (112.65 km/h)03h 09m
80 mph (129 km/h)02h 45m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.81 gal
29.55 L · about $38.91
Round trip
$77.82
15.62 gal · 59.1 L
Estimated CO2
69.4 kg one way
Round trip: 138.8 kg / 306 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.98 $38.91 $77.82
Mid-grade $5.23 $40.85 $81.71
Premium $5.45 $42.55 $85.10
Diesel $6.57 $51.31 $102.62

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 Kenai and Big Lake. The current time is 10:43:54.

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.