How far is Kahalu‘u, HI from Waianae, HI?
The driving distance from Kahalu‘u, HI to Waianae, HI is about 38.3 miles (61.7 km), with a travel time of about 00h 56m by car.
- The straight-line flight distance is about 22 miles (35.4 km).
- For a round trip, plan for roughly 01h 52m 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 00h 56m.
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.
Rain Showers
Mostly Sunny
Driving Route Map
The map below follows the saved road route between Kahalu‘u and Waianae.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kahalu‘u and Waianae.
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1
Start on Waihee Road
1327 ft · 1 min · Waihee Road
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2
Turn right onto Kamehameha Highway
1418 ft · 36 sec · Kamehameha Highway
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3
Exit the roundabout onto Kahekili Highway
4.4 mi · 10 min · Kahekili Highway
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4
Turn right onto Likelike Highway
2189 ft · 43 sec · Likelike Highway
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5
Take the exit slight right toward I H3 West: Pearl Harbor
1 km · 2 min
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6
Merge slight left onto John A. Burns Freeway
8.1 mi · 12 min · John A. Burns Freeway
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7
Keep slight right to continue on I H1 West: Pearl City
1.2 km · 2 min
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8
Merge slight left onto Queen Liliʻuokalani Freeway
4.1 mi · 6 min · Queen Liliʻuokalani Freeway
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9
Keep slight left to continue on Queen Liliʻuokalani Freeway
9.2 mi · 11 min · Queen Liliʻuokalani Freeway
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10
Continue on Farrington Highway
10.2 mi · 21 min · Farrington Highway
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11
Arrive at your destination
0 m · 1 sec · Farrington Highway
Car Route Details
A richer read on the saved driving route between Kahalu‘u and Waianae.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Farrington Highway
Continue on Farrington Highway
10.2 mi · 00h 21m
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.
Rain Showers leaving Kahalu‘u and Mostly Sunny near Waianae.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kahalu‘u to Waianae?
The road trip is about 38.3 miles (61.7 km) and usually takes 00h 56m 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?
Pearl City is a useful midpoint, sitting about 19.1 miles from Kahalu‘u and 19.2 miles from Waianae.
How much longer is the road route than the straight-line distance?
The direct path is about 22 miles (35.4 km), while the road route adds roughly 16.3 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 4:38 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $6.68 one way or $13.37 round trip. Estimated CO2 is about 12 kg one way.
What should you check before leaving?
Before you leave, expect Rain Showers around Kahalu‘u and Mostly Sunny near Waianae.
Flight Path Map
This map shows the direct air route between Kahalu‘u and Waianae. Straight-line distance: 21.98 mi (35.38 km).
#1 Kahalu‘u
Census-designated place in Honolulu County, Hawaii, United States of America
| Population | 4,738 |
| Coordinates | 21.4575900, -157.8443100 |
| Altitude | 13 |
| Country | United States |
#2 Waianae
Census designated place in Honolulu County, Hawaii, United States
| Population | 13,177 |
| Coordinates | 21.4378500, -158.1855500 |
| Altitude | 5 |
| Country | United States |
End: Farrington Highway (-158.185572, 21.437844)
Estimated Travel Time
Distance: 62 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 16m |
| 40 mph (64.37 km/h) | 00h 57m |
| 50 mph (80.47 km/h) | 00h 45m |
| 60 mph (96.56 km/h) | 00h 38m |
| 70 mph (112.65 km/h) | 00h 32m |
| 80 mph (129 km/h) | 00h 28m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $6.68 | $13.37 |
| Mid-grade | $5.34 | $7.21 | $14.41 |
| Premium | $5.57 | $7.51 | $15.03 |
| Diesel | $6.37 | $8.59 | $17.19 |
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 · Jun 01, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.