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

The driving distance from Kenai, AK to Diamond Ridge, AK is about 81.7 miles (131.5 km), with a travel time of about 01h 59m by car.

  • The straight-line flight distance is about 61.6 miles (99.1 km).
  • For a round trip, plan for roughly 03h 58m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM AKDT.
Trip Tools

Reverse, save, or send this route

This route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
81.73 mi
01h 59m
Flight
61.55 mi
99.06 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Kenai.

Flight Distance

Direct air line
61.55 mi
Kilometers
99.06 km
Flight Time
00h 07m

Driving Distance

Road route
81.73 mi
Kilometers
131.53 km
Drive Time
01h 59m

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 01h 59m.

Arrival Snapshot
Arrive in Diamond Ridge
Wed, Apr 15, 3:50 AM AKDT
Return by in Kenai
Wed, Apr 15, 5:49 AM AKDT
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kenai
2026-04-15T01:51
Arrive Diamond Ridge
Wed, Apr 15, 3:50 AM AKDT
Route Timing
01h 59m
One way by road
Best Departure Window
8:00 AM to 10:00 AM AKDT
Aim for a morning departure
Arrive between
9:59 AM to 11:59 AM AKDT

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:32 PM AKDT
Keeps a same-day return open with about 03h 00m at the destination.
Back in Kenai
9:30 PM AKDT
Morning start is best

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
Cohoe
AK

Census-designated place in Kenai Peninsula Borough, Alaska

From Kenai
40.8 mi
00h 59m
To Diamond Ridge
40.9 mi
00h 59m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
43°F
Wednesday

Partly Sunny then Slight Chance Rain And Snow

Starts
Wed, Apr 15 6:00 AM AKDT
Wind
0 mph
Destination
28°F
Wednesday Night

Chance Light Snow

Starts
Wed, Apr 15 10:00 AM AKDT
Wind
0 mph

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  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 right onto Kalifornsky Beach Road

    16.2 mi · 22 min · Kalifornsky Beach Road

  6. 6

    Turn right onto Sterling Highway

    55.9 mi · 1 hr 18 min · Sterling Highway

  7. 7

    Turn left onto Diamond Ridge Road

    4.8 mi · 10 min · Diamond Ridge Road

  8. 8

    At the end of the road, turn left onto Skyline Drive

    1.2 km · 2 min · Skyline Drive

  9. 9

    Turn slight left onto Autumn Star Street

    1094 ft · 48 sec · Autumn Star Street

  10. 10

    Arrive at your destination

    0 m · 1 sec · Autumn Star Street

Car Route Details

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

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
10 steps
8 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
12.2 / 100 mi
Decision points by distance
Main Roads
Sterling Highway
55.9 mi · 68%
Kalifornsky Beach Road
16.2 mi · 20%
Diamond Ridge Road
4.82 mi · 6%
Bridge Access Road
3.27 mi · 4%
Skyline Drive
0.72 mi · 1%
Kenai Spur Highway
0.54 mi · 1%
Longest Stretch

Sterling Highway

Turn right onto Sterling Highway

55.9 mi · 01h 18m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
01h 59m
Day trip friendly
Same-Day Return
03h 58m
Round-trip wheel time
Road vs Air
+20.1 mi
61.6 mi direct line
Halfway Stop
Cohoe
00h 59m from Kenai
Leave By
2:32 PM AKDT
Morning start is best
Weather Watch

Partly Sunny then Slight Chance Rain And Snow leaving Kenai and Chance Light Snow near Diamond Ridge.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 81.7 miles (131.5 km) and usually takes 01h 59m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Cohoe is a useful midpoint, sitting about 40.8 miles from Kenai and 40.9 miles from Diamond Ridge.

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

The direct path is about 61.6 miles (99.1 km), while the road route adds roughly 20.1 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 8:00 AM to 10:00 AM AKDT. If you want a more comfortable same-day return, try to leave by 2:32 PM AKDT.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $14.26 one way or $28.52 round trip. Estimated CO2 is about 25.6 kg one way.

What should you check before leaving?

Before you leave, expect Partly Sunny then Slight Chance Rain And Snow around Kenai and Chance Light Snow near Diamond Ridge.

Flight Path Map

This map shows the direct air route between Kenai and Diamond Ridge. Straight-line distance: 61.55 mi (99.06 km).

Kenai

#1 Kenai

City in Alaska

Population7,890
Coordinates60.5544400, -151.2583300
Altitude22
CountryUnited States
Diamond Ridge

#2 Diamond Ridge

Census-designated place in Kenai Peninsula Borough, Alaska

Population1,156
Coordinates59.6761100, -151.5575000
Altitude324
CountryUnited States
Start: Kenai (-151.25833, 60.55444)
End: Diamond Ridge (-151.5575, 59.67611)

Estimated Travel Time

Distance: 132 km by road

SpeedTime
30 mph (48.3 km/h)02h 43m
40 mph (64.37 km/h)02h 02m
50 mph (80.47 km/h)01h 38m
60 mph (96.56 km/h)01h 21m
70 mph (112.65 km/h)01h 10m
80 mph (129 km/h)01h 01m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.88 gal
10.92 L · about $14.26
Round trip
$28.52
5.76 gal · 21.84 L
Estimated CO2
25.6 kg one way
Round trip: 51.2 kg / 113 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $14.26 $28.52
Mid-grade $5.34 $15.37 $30.75
Premium $5.57 $16.03 $32.06
Diesel $6.37 $18.33 $36.67

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 · Apr 15, 2026

There is no time difference between Kenai and Diamond Ridge. The current time is 01:51:04.

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.