Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
21m
Distance
11.1 mi
18 km
Drive Score
7/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$2
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.
Hālawa Heights, HI
Mike Norris
Mililani Town, HI
Mike Norris
Traveling from Hālawa Heights to Mililani Town covers a quick 11.1-mile span, typically taking about 21 minutes behind the wheel. This straightforward drive is designed as a single-day trip, requiring no overnight stays or complex logistics. You will primarily navigate via the Queen Liliʻuokalani Freeway, HI 99, and Meheula Parkway to complete the journey. With an estimated fuel cost of just $2, it is a highly budget-friendly commute within Hawaii. Whether you are running errands or heading to visit friends, the route is efficient and keeps you connected between these two Oʻahu locations.
| Road | Distance | Duration |
|---|---|---|
| HI 99 | 4.6 mi | 9m |
| Queen Liliʻuokalani Freeway | 3.6 mi | 4m |
| Meheula Parkway | 0.3 mi | <1m |
| Farrington Highway | 0.2 mi | <1m |
| Halawa Heights Road | 0.2 mi | <1m |
| Puanane Loop | 0.2 mi | <1m |
| Kahuapaani Street | 0.1 mi | <1m |
| Nahiolea Street | 0.1 mi | <1m |
Step-by-step road directions between Hālawa Heights, HI and Mililani Town, HI.
Start on Hulumanu Street
Turn right onto Nahiolea Street
Turn right onto Iwaiwa Street
Turn left onto HI 7241
Continue on Kahuapaani Street
Turn left onto Ulune Street
Take the ramp
Merge onto I H1
Take the exit
Turn straight onto HI 99
Keep slight right at fork 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 0.1 and 5.9 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
Turn right onto Nahiolea Street
Navigation decision point
Turn left onto HI 7241 / Halawa Heights Road
Navigation decision point
Turn left onto Ulune Street
Lane positioning matters here
Take the exit toward Waipahu
Exit ramp - move to the correct lane early. Lane positioning matters here
Keep slight right at fork onto HI 99
Highway fork - watch signs carefully. Lane positioning matters here
Regular Gas
$2.41 one way
$4.81 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.79 | $2.53 | $5.06 |
| premium | $5.98 | $2.61 | $5.23 |
| diesel | $5.61 | $2.45 | $4.90 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$2
Estimated CO2 emission: 3.9 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $1 in charging · 0 stops · 75% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 3.3 | 0 | $1.17 | $0.53 |
| Efficient EV | 2.8 | 0 | $0.97 | $0.44 |
| EV Truck/SUV | 4.4 | 0 | $1.55 | $0.71 |
Gas CO2
4 kg
EV CO2
1 kg (75% 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
Evening in Hālawa Heights on Saturday
Local time
6:47 PM
HST
Current temp
81°F
Scattered Rain Showers
Destination
Evening in Mililani Town on Saturday
Local time
6:47 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
Both ends of the route are sitting at about the same temperature right now.
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.
Expect a highway-focused experience, as 76% of this trip takes place on major thoroughfares. You will spend the bulk of your time at cruising speeds, with the longest uninterrupted stretch covering 4.6 miles along HI 99. The transition from the freeway system onto Meheula Parkway provides a clear shift from fast-paced arterial roads to the local flow of Mililani Town. Because this is a short, direct drive, you won't encounter the fatigue associated with long-distance travel. The road maintains a consistent, functional character that prioritizes speed and directness over winding scenic detours.
This is a straightforward highway drive that stays mostly on HI 99 and Queen Liliʻuokalani Freeway. You will hit about 11 points where you need to pay attention to lane position or signs. The trickiest moment comes around 0.1 miles in near Nahiolea Street.
Moderate - straightforward overall, but long enough or busy enough to require pacing
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 11.1 miles you will encounter 11 spots where lane choice or exit timing matters. Not difficult for experienced highway drivers, but worth previewing the tricky sections before you go.
Where does it get tricky?
The main spots that need attention: at 0.1 miles (Nahiolea Street): Navigation decision point; at 0.3 miles (HI 7241 / Halawa Heights Road): Navigation decision point; at 0.6 miles (Ulune Street): Lane positioning matters here.
Mostly flat terrain
Total Climb
803 ft
Total Descent
372 ft
Highest Point
677 ft
~11.1 mi in
Elevation Range
658 ft
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Hālawa Heights, HI and Mililani Town, HI, road signs point toward I H-1 West: Pearl City and Waipahu.
I H-1 West: Pearl City
Waipahu
Weekend Trip
Doable as a same-day drive at 21m. Total distance: 11.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
21m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (76%). Some complex stretches to watch for.
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, USGS 3DEP for elevation, and NPS for national parks. See our methodology for refresh cadence and limitations.
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