How far is Waianae, HI from Mililani Town, HI?
The driving distance from Waianae, HI to Mililani Town, HI is about 23 miles (37 km), with a travel time of about 00h 41m by car.
- The straight-line flight distance is about 11 miles (17.7 km).
- For a round trip, plan for roughly 01h 23m 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 41m.
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.
Sunny
Isolated Rain Showers then Mostly Sunny
Driving Route Map
The map below follows the saved road route between Waianae and Mililani Town.
Turn-by-Turn Driving Directions
Step-by-step road directions between Waianae and Mililani Town.
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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
6.9 mi · 9 min · Queen Liliʻuokalani Freeway
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3
Take the exit slight right toward Waikele, Waipahu
1157 ft · 28 sec
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4
Keep slight left to continue on Waikele
36 m · 5 sec
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5
Turn left onto Paiwa Street
1943 ft · 51 sec · Paiwa Street
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6
Turn right onto Lumiaina Street
1.4 km · 2 min · Lumiaina Street
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7
Continue on Luminana Street
698 ft · 14 sec · Luminana Street
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8
Turn left onto Kamehameha Highway
3.5 mi · 7 min · Kamehameha Highway
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9
Turn right onto Meheula Parkway
1349 ft · 34 sec · Meheula Parkway
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10
Turn right onto Anania Drive
569 ft · 18 sec · Anania Drive
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11
Turn right onto Puanane Loop
868 ft · 40 sec · Puanane Loop
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12
Turn right onto Mahau Place
109 m · 16 sec · Mahau Place
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13
Arrive at your destination
0 m · 1 sec · Mahau Place
Car Route Details
A richer read on the saved driving route between Waianae and Mililani Town.
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.
Farrington Highway
Start on Farrington Highway
10.4 mi · 00h 21m
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.
Sunny leaving Waianae and Isolated Rain Showers then Mostly Sunny near Mililani Town.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waianae to Mililani Town?
The road trip is about 23 miles (37 km) and usually takes 00h 41m 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 11.5 miles from Waianae and 11.5 miles from Mililani Town.
How much longer is the road route than the straight-line distance?
The direct path is about 11 miles (17.7 km), while the road route adds roughly 12 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 7:06 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 Sunny around Waianae and Isolated Rain Showers then Mostly Sunny near Mililani Town.
Flight Path Map
This map shows the direct air route between Waianae and Mililani Town. Straight-line distance: 11 mi (17.7 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 Mililani Town
Census-designated place in Honolulu County, Hawaii, United States of America
| Population | 27,629 |
| Coordinates | 21.4504000, -158.0150300 |
| Altitude | 207 |
| Country | United States |
End: Mililani Town (-158.01503, 21.4504)
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 · May 25, 2026
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.