Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
41m
Distance
23 mi
37 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Good
8 stations
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Waianae, HI
Wikimedia Commons
Mililani Town, HI
Mike Norris
Traveling from Waianae to Mililani Town covers 23 miles of Oahu’s diverse landscape, typically taking about 41 minutes behind the wheel. This short commute is perfectly suited for a single-day trip, requiring no overnight stays or complex logistics. You should budget approximately $5 for fuel, making this an economical excursion between the western coast and the central interior of the island. Because the route transitions from the coastal environment of Waianae to the more inland, suburban setting of Mililani Town, you will experience a distinct shift in the local atmosphere. It is an efficient, straightforward drive that connects two different regions of Hawaii without unnecessary complications.
| Road | Distance | Duration |
|---|---|---|
| Farrington Highway | 10.4 mi | 21m |
| Queen Liliʻuokalani Freeway | 6.9 mi | 8m |
| Kamehameha Highway | 3.5 mi | 6m |
| Lumiaina Street | 0.8 mi | 1m |
| Paiwa Street | 0.4 mi | <1m |
| Meheula Parkway | 0.3 mi | <1m |
| Puanane Loop | 0.2 mi | <1m |
| Luminana Street | 0.1 mi | <1m |
Step-by-step road directions between Waianae, HI and Mililani Town, HI.
Start on HI 93
Continue on I H1
Take the exit
Keep slight left at fork
Turn left onto Paiwa Street
Turn right onto Lumiaina Street
Continue on Luminana Street
Turn left onto HI 99
Turn right onto Meheula Parkway
Turn right onto Anania Drive
Turn right onto Puanane Loop
Turn right onto Mahau Place
Arrive at destination
5 decision points cluster between mile 0 and 22.8 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Depart onto HI 93 / Farrington Highway
Lane positioning matters here
Take the exit toward Waikele, Waipahu
Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one
Keep slight left at fork toward Waikele
Highway fork - watch signs carefully
Turn right onto Lumiaina Street
Lane positioning matters here
Turn right onto Puanane Loop
Navigation decision point
Regular Gas
$4.98 one way
$9.97 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.79 | $5.24 | $10.48 |
| premium | $5.98 | $5.41 | $10.83 |
| diesel | $5.61 | $5.08 | $10.16 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 8 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $2 in charging · 0 stops · 63% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 6.9 | 0 | $2.41 | $1.10 |
| Efficient EV | 5.8 | 0 | $2.01 | $0.92 |
| EV Truck/SUV | 9.2 | 0 | $3.22 | $1.47 |
Gas CO2
8 kg
EV CO2
3 kg (63% less)
This trip is well within single-charge range for most EVs. No charging stops needed if you start fully charged.
DC fast charging avg $0.35/kWh. Home charging avg $0.16/kWh. US grid CO2: 0.39 kg/kWh.
Current conditions at both ends of the drive.
Origin
Afternoon in Waianae on Saturday
Local time
3:21 PM
HST
Current temp
82°F
Partly Sunny then Chance Rain Showers
Destination
Afternoon in Mililani Town on Saturday
Local time
3:21 PM
HST
Current temp
81°F
Unavailable
Time zone
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Temperature spread
A meaningful temperature swing is a good cue to rethink layers, water, and how soon you want to arrive.
Road read
The weather snapshot is not static. If you are leaving later, give both cities one more quick forecast check before departure.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
This trip features a mixed driving profile that keeps the journey engaging as you navigate through different types of infrastructure. You will spend roughly 31% of your time on highways, utilizing a combination of the Farrington Highway, Queen Liliʻuokalani Freeway, and Kamehameha Highway. The longest uninterrupted portion of the trip occurs during the 10.4-mile stretch along Farrington Highway, where you can settle into a steady rhythm. As you move away from the coast, the road character shifts from local transit to more structured freeway travel, providing a varied experience for the driver. Expect a balanced transition between these faster arterial roads and the necessary local connections that bring you into the heart of Mililani Town.
This route mixes highway mileage with some local-road sections near the start or finish. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes early in the drive near HI 93 / Farrington Highway.
Focused - busy navigation packed into a short drive
Balances navigation complexity with total wheel time.
This is a short but busy drive. With 9 decision points packed into just 23 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 41m.
Where does it get tricky?
The main spots that need attention: near the start (HI 93 / Farrington Highway): Lane positioning matters here; at 17.3 miles: Exit ramp - move to the correct lane early. Lane positioning matters here. Multiple destination signs - pick the right one; at 17.5 miles: Highway fork - watch signs carefully.
Mostly flat terrain
Total Climb
747 ft
Total Descent
84 ft
Highest Point
677 ft
~23 mi in
Elevation Range
664 ft
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Waianae, HI and Mililani Town, HI, road signs point toward Waikele and Waipahu.
Waikele
Waipahu
Weekend Trip
Doable as a same-day drive at 41m. Total distance: 23 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
41m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (31%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile.
Compiled by the US Trip Planner planning team at COD Solutions Oy from open government datasets — OSRM over OpenStreetMap for geometry, EIA for fuel prices, and USGS 3DEP for elevation. See our methodology for refresh cadence and limitations.
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