How far is Waianae, HI from Waimalu, HI?
The driving distance from Waianae, HI to Waimalu, HI is about 22.9 miles (36.8 km), with a travel time of about 00h 39m by car.
- The straight-line flight distance is about 15.7 miles (25.3 km).
- For a round trip, plan for roughly 01h 19m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 7:00 AM to 7:00 PM HST.
Reverse, save, or send this route
This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.
This is an easy same-day return drive.
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 39m.
This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.
This departure sits inside the recommended comfort window for the route.
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
Mostly Cloudy then Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Waianae and Waimalu.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waianae and Waimalu.
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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
10.4 mi · 13 min · Queen Liliʻuokalani Freeway
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3
Take the exit slight right toward Waimalu, Pearlridge
1395 ft · 25 sec
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4
Keep slight right to continue on Waimalu, Pearlridge
972 ft · 24 sec
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5
Turn straight onto Moanalua Road
1053 ft · 29 sec · Moanalua Road
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6
Turn left onto Kaahumanu Street
1.2 km · 2 min · Kaahumanu Street
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7
Turn right onto Komo Mai Drive
1303 ft · 43 sec · Komo Mai Drive
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8
Turn left onto Nahele Street
1174 ft · 34 sec · Nahele Street
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9
Turn right onto Oliwa Street
63 m · 14 sec · Oliwa Street
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10
Turn left onto Ulu Street
79 m · 14 sec · Ulu Street
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11
Turn right onto Halakea Street
973 ft · 43 sec · Halakea Street
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12
Arrive at your destination
0 m · 1 sec · Halakea Street
Car Route Details
A richer read on the saved driving route between Waianae and Waimalu.
Turn-heavy local drive
The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.
Queen Liliʻuokalani Freeway
Continue on Queen Liliʻuokalani Freeway
10.4 mi · 00h 13m
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
A short regional drive
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
Mostly Cloudy then Chance Rain Showers leaving Waianae and Mostly Cloudy then Chance Rain Showers near Waimalu.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waianae to Waimalu?
The road trip is about 22.9 miles (36.8 km) and usually takes 00h 39m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.
What is the halfway point on this route?
Makakilo City is a useful midpoint, sitting about 11.4 miles from Waianae and 11.4 miles from Waimalu.
How much longer is the road route than the straight-line distance?
The direct path is about 15.7 miles (25.3 km), while the road route adds roughly 7.2 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 7:00 AM to 7:00 PM HST. If you want a more comfortable same-day return, try to leave by 7:10 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $4.01 one way or $8.02 round trip. Estimated CO2 is about 7.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy then Chance Rain Showers around Waianae and Mostly Cloudy then Chance Rain Showers near Waimalu.
Flight Path Map
This map shows the direct air route between Waianae and Waimalu. Straight-line distance: 15.75 mi (25.34 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 Waimalu
Census-designated place in Honolulu County, Hawaii, United States of America
| Population | 13,730 |
| Coordinates | 21.4047200, -157.9433300 |
| Altitude | 115 |
| Country | United States |
End: Waimalu (-157.94333, 21.40472)
Estimated Travel Time
Distance: 37 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 00h 45m |
| 40 mph (64.37 km/h) | 00h 34m |
| 50 mph (80.47 km/h) | 00h 27m |
| 60 mph (96.56 km/h) | 00h 22m |
| 70 mph (112.65 km/h) | 00h 19m |
| 80 mph (129 km/h) | 00h 17m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $4.01 | $8.02 |
| Mid-grade | $5.34 | $4.32 | $8.65 |
| Premium | $5.57 | $4.51 | $9.02 |
| Diesel | $6.37 | $5.16 | $10.31 |
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.