How far is Waianae, HI from Kahuku, HI?
The driving distance from Waianae, HI to Kahuku, HI is about 51.2 miles (82.4 km), with a travel time of about 01h 37m by car.
- The straight-line flight distance is about 22.5 miles (36.2 km).
- For a round trip, plan for roughly 03h 14m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM HST.
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.
This route works well as a day trip with time at the destination.
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 01h 37m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Census-designated place in Honolulu County, Hawaii, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Cloudy then Chance Rain Showers
Scattered Rain Showers
Driving Route Map
The map below follows the saved road route between Waianae and Kahuku.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waianae and Kahuku.
-
1
Start on Farrington Highway
10.4 mi · 21 min · Farrington Highway
-
2
Continue on Queen Liliʻuokalani Freeway
8.3 mi · 10 min · Queen Liliʻuokalani Freeway
-
3
Take the exit slight left toward I H2 North: Miliani, Wahiawa
1.2 km · 1 min
-
4
Merge slight right onto Veteran's Memorial Freeway
7.1 mi · 10 min · Veteran's Memorial Freeway
-
5
Take the exit slight right toward Wahiawa
1564 ft · 53 sec
-
6
Continue on Kamehameha Highway
8.5 mi · 16 min · Kamehameha Highway
-
7
Turn straight onto Joseph Leong Highway
1.9 mi · 4 min · Joseph Leong Highway
-
8
Continue on Kamehameha Highway
13.6 mi · 27 min · Kamehameha Highway
-
9
Turn left
32 m · 9 sec
-
10
Turn right
551 ft · 41 sec
-
11
Turn left onto Burroughs Road
818 ft · 3 min · Burroughs Road
-
12
Turn left
54 m · 39 sec
-
13
Keep slight left to continue on 1st Avenue
700 ft · 3 min · 1st Avenue
-
14
Arrive at your destination
0 m · 1 sec · 1st Avenue
Car Route Details
A richer read on the saved driving route between Waianae and Kahuku.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Kamehameha Highway
Continue on Kamehameha Highway
13.6 mi · 00h 27m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Cloudy then Chance Rain Showers leaving Waianae and Scattered Rain Showers near Kahuku.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waianae to Kahuku?
The road trip is about 51.2 miles (82.4 km) and usually takes 01h 37m 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?
Waipi‘o Acres is a useful midpoint, sitting about 25.6 miles from Waianae and 25.5 miles from Kahuku.
How much longer is the road route than the straight-line distance?
The direct path is about 22.5 miles (36.2 km), while the road route adds roughly 28.7 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 8:00 AM to 10:00 AM HST. If you want a more comfortable same-day return, try to leave by 3:16 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.96 one way or $17.92 round trip. Estimated CO2 is about 16.1 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Rain Showers around Waianae and Scattered Rain Showers near Kahuku.
Flight Path Map
This map shows the direct air route between Waianae and Kahuku. Straight-line distance: 22.49 mi (36.19 km).
#1 Waianae
Census designated place in Honolulu County, Hawaii, United States
| Population | 13,177 |
| Coordinates | 21.4378500, -158.1855500 |
| Altitude | 5 |
| Country | United States |
#2 Kahuku
Census-designated place in Honolulu County, Hawaii, United States of America
| Population | 2,614 |
| Coordinates | 21.6804800, -157.9523700 |
| Altitude | 1 |
| Country | United States |
End: Kahuku (-157.95237, 21.68048)
Estimated Travel Time
Distance: 82 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 42m |
| 40 mph (64.37 km/h) | 01h 16m |
| 50 mph (80.47 km/h) | 01h 01m |
| 60 mph (96.56 km/h) | 00h 51m |
| 70 mph (112.65 km/h) | 00h 43m |
| 80 mph (129 km/h) | 00h 38m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $8.96 | $17.92 |
| Mid-grade | $5.34 | $9.66 | $19.32 |
| Premium | $5.57 | $10.07 | $20.15 |
| Diesel | $6.37 | $11.52 | $23.04 |
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 Hawaii · Apr 16, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.