How far is Waianae, HI from Ka‘a‘awa, HI?
The driving distance from Waianae, HI to Ka‘a‘awa, HI is about 47.2 miles (75.9 km), with a travel time of about 01h 24m by car.
- The straight-line flight distance is about 23 miles (37 km).
- For a round trip, plan for roughly 02h 48m 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 24m.
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
Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Waianae and Ka‘a‘awa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waianae and Ka‘a‘awa.
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1
Start on Farrington Highway
10.4 mi · 21 min · Farrington Highway
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2
Continue on Queen Liliʻuokalani Freeway
12.9 mi · 17 min · Queen Liliʻuokalani Freeway
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3
Take the exit slight right toward Kaneohe, Honolulu, Aiea
1113 ft · 21 sec
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4
Keep slight left to continue on I H3, HI 78 East: Kaneohe, Honolulu
1.2 km · 1 min
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5
Continue on John A. Burns Freeway
8.7 mi · 13 min · John A. Burns Freeway
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6
Take the exit slight right toward HI 63 North: Likelike Highway
2775 ft · 2 min
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7
Merge slight left onto Likelike Highway
2611 ft · 50 sec · Likelike Highway
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8
Take the exit slight right toward Kahekili Highway
2756 ft · 2 min
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9
Continue on Kahekili Highway
4.4 mi · 10 min · Kahekili Highway
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10
Exit the roundabout onto Kamehameha Highway
8.2 mi · 18 min · Kamehameha Highway
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11
Turn left onto Polinalina Road
62 m · 23 sec · Polinalina Road
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12
Turn right onto Kekio Road
58 m · 21 sec · Kekio Road
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13
Arrive at your destination
0 m · 1 sec · Kekio Road
Car Route Details
A richer read on the saved driving route between Waianae and Ka‘a‘awa.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Queen Liliʻuokalani Freeway
Continue on Queen Liliʻuokalani Freeway
12.9 mi · 00h 17m
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 Chance Rain Showers near Ka‘a‘awa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waianae to Ka‘a‘awa?
The road trip is about 47.2 miles (75.9 km) and usually takes 01h 24m 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?
Hālawa is a useful midpoint, sitting about 23.6 miles from Waianae and 23.5 miles from Ka‘a‘awa.
How much longer is the road route than the straight-line distance?
The direct path is about 23 miles (37 km), while the road route adds roughly 24.2 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 3:42 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $8.22 one way or $16.44 round trip. Estimated CO2 is about 14.8 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Rain Showers around Waianae and Chance Rain Showers near Ka‘a‘awa.
Flight Path Map
This map shows the direct air route between Waianae and Ka‘a‘awa. Straight-line distance: 22.97 mi (36.96 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 Ka‘a‘awa
Census-designated place in Honolulu County, Hawaii, United States of America
| Population | 1,379 |
| Coordinates | 21.5544500, -157.8510300 |
| Altitude | 2 |
| Country | United States |
End: Ka‘a‘awa (-157.85103, 21.55445)
Estimated Travel Time
Distance: 76 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 01h 34m |
| 40 mph (64.37 km/h) | 01h 10m |
| 50 mph (80.47 km/h) | 00h 56m |
| 60 mph (96.56 km/h) | 00h 47m |
| 70 mph (112.65 km/h) | 00h 40m |
| 80 mph (129 km/h) | 00h 35m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $8.22 | $16.44 |
| Mid-grade | $5.34 | $8.86 | $17.72 |
| Premium | $5.57 | $9.24 | $18.48 |
| Diesel | $6.37 | $10.57 | $21.14 |
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 19, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.