How far is Diamond Ridge, AK from Kodiak, AK?

The driving distance from Diamond Ridge, AK to Kodiak, AK is about 161.7 miles (260.2 km), with a travel time of about 09h 24m by car.

  • The straight-line flight distance is about 133.9 miles (215.5 km).
  • For a round trip, plan for roughly 18h 49m 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
161.7 mi
09h 24m
Flight
133.91 mi
215.51 km direct

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

Learn Distance

Choose another destination from Diamond Ridge.

Flight Distance

Direct air line
133.91 mi
Kilometers
215.51 km
Flight Time
00h 16m

Driving Distance

Road route
161.7 mi
Kilometers
260.23 km
Drive Time
09h 24m

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 09h 24m.

Arrival Snapshot
Arrive in Kodiak
Wed, Apr 15, 4:42 AM AKDT
Return by in Diamond Ridge
Wed, Apr 15, 2:06 PM AKDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Diamond Ridge
2026-04-14T19:17
Arrive Kodiak
Wed, Apr 15, 4:42 AM AKDT
Route Timing
09h 24m
One way by road
Best Departure Window
6:00 AM to 7:30 AM AKDT
Treat this as a longer travel day
Arrive between
3:25 PM to 4:55 PM AKDT

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

Leave by
5:10 PM AKDT
Keeps a same-day return open with about 08h 00m at the destination.
Back in Diamond Ridge
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
Seldovia
AK

City in Alaska

From Diamond Ridge
80.7 mi
04h 42m
To Kodiak
81 mi
04h 42m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
26°F
Tuesday Night

Partly Cloudy then Slight Chance Light Snow

Starts
Tue, Apr 14 10:00 AM AKDT
Wind
0 mph
Destination
34°F
Tonight

Rain And Snow Likely

Starts
Tue, Apr 14 6:00 PM AKDT
Wind
0 to 5 mph SW

Driving Route Map

The map below follows the saved road route between Diamond Ridge and Kodiak.

Turn-by-Turn Driving Directions

Step-by-step road directions between Diamond Ridge and Kodiak.

  1. 1

    Start on Autumn Star Street

    1094 ft · 48 sec · Autumn Star Street

  2. 2

    Turn straight onto Skyline Drive

    1.2 km · 2 min · Skyline Drive

  3. 3

    Turn slight left onto West Hill Road

    2.1 mi · 5 min · West Hill Road

  4. 4

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

    1.5 km · 2 min · Sterling Highway

  5. 5

    Continue on Homer Bypass Road

    1.5 km · 2 min · Homer Bypass Road

  6. 6

    Continue on Lake Street

    2226 ft · 54 sec · Lake Street

  7. 7

    Continue on Ocean Drive

    2814 ft · 1 min · Ocean Drive

  8. 8

    Continue on Homer Spit Road

    4.3 mi · 9 min · Homer Spit Road

  9. 9

    Turn left onto Coast Guard Access

    825 ft · 1 min · Coast Guard Access

  10. 10

    Turn left onto Alaska Marine Highway - Homer - Kodiak Ferry

    151.3 mi · 9 hr · Alaska Marine Highway - Homer - Kodiak Ferry

  11. 11

    Continue straight

    57 m · 17 sec

  12. 12

    Turn left onto Marine Way East

    27 m · 6 sec · Marine Way East

  13. 13

    Turn right onto Center Street

    586 ft · 28 sec · Center Street

  14. 14

    Turn right onto Mill Bay Road

    6 m · 1 sec · Mill Bay Road

  15. 15

    Arrive at your destination

    0 m · 1 sec · Mill Bay Road

Car Route Details

A richer read on the saved driving route between Diamond Ridge and Kodiak.

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
15 steps
8 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
9.3 / 100 mi
Decision points by distance
Main Roads
Alaska Marine Highway - Homer - Kodiak Ferry
151 mi · 94%
Homer Spit Road
4.27 mi · 3%
West Hill Road
2.09 mi · 1%
Homer Bypass Road
0.95 mi · 1%
Sterling Highway
0.92 mi · 1%
Skyline Drive
0.72 mi
Longest Stretch

Alaska Marine Highway - Homer - Kodiak Ferry

Turn left onto Alaska Marine Highway - Homer - Kodiak Ferry

151 mi · 09h 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
09h 24m
Overnight route
Same-Day Return
18h 50m
Round-trip wheel time
Road vs Air
+27.8 mi
133.9 mi direct line
Halfway Stop
Seldovia
04h 42m from Diamond Ridge
Leave By
5:10 PM AKDT
Overnight-style route
Weather Watch

Partly Cloudy then Slight Chance Light Snow leaving Diamond Ridge and Rain And Snow Likely near Kodiak.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Diamond Ridge to Kodiak?

The road trip is about 161.7 miles (260.2 km) and usually takes 09h 24m 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?

Seldovia is a useful midpoint, sitting about 80.7 miles from Diamond Ridge and 81 miles from Kodiak.

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

The direct path is about 133.9 miles (215.5 km), while the road route adds roughly 27.8 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 $28.27 one way or $56.54 round trip. Estimated CO2 is about 50.7 kg one way.

What should you check before leaving?

Before you leave, expect Partly Cloudy then Slight Chance Light Snow around Diamond Ridge and Rain And Snow Likely near Kodiak.

Flight Path Map

This map shows the direct air route between Diamond Ridge and Kodiak. Straight-line distance: 133.91 mi (215.51 km).

Diamond Ridge

#1 Diamond Ridge

Census-designated place in Kenai Peninsula Borough, Alaska

Population1,156
Coordinates59.6761100, -151.5575000
Altitude324
CountryUnited States
Kodiak

#2 Kodiak

City in Alaska, USA

Population5,808
Coordinates57.7885200, -152.4053300
Altitude15
CountryUnited States
Start: Diamond Ridge (-151.5575, 59.67611)
End: Kodiak (-152.40533, 57.78852)

Estimated Travel Time

Distance: 260 km by road

SpeedTime
30 mph (48.3 km/h)05h 23m
40 mph (64.37 km/h)04h 02m
50 mph (80.47 km/h)03h 14m
60 mph (96.56 km/h)02h 41m
70 mph (112.65 km/h)02h 18m
80 mph (129 km/h)02h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.71 gal
21.6 L · about $28.27
Round trip
$56.54
11.42 gal · 43.2 L
Estimated CO2
50.7 kg one way
Round trip: 101.5 kg / 224 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $28.27 $56.54
Mid-grade $5.34 $30.48 $60.96
Premium $5.57 $31.78 $63.56
Diesel $6.37 $36.35 $72.70

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 15, 2026

There is no time difference between Diamond Ridge and Kodiak. The current time is 19:17:26.

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.