Compiled and reviewed by the Trip.ovh planning team at COD Solutions Oy · Last reviewed Apr 17, 2026 · Editorial standards
Drive Time
1h 9m
Distance
37.7 mi
61 km
Drive Score
6/10
Good drive
Same Day?
Yes, doable
Fuel Cost
$8
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
Kahuku, HI
Wikimedia Commons
Driving from Hālawa Heights to Kahuku covers 37.7 miles, typically taking about 1 hour and 9 minutes depending on traffic. You will navigate a mix of thoroughfares, including I-H2, the Queen Liliʻuokalani Freeway, and Kamehameha Highway. This journey is perfectly suited for a single-day trip, as it is short enough to complete without needing an overnight stay. With a modest fuel budget of approximately $8, it remains a cost-effective excursion across the region. Because this route stays entirely within Hawaii, you can expect a straightforward transition between these two points. It is an ideal choice if you are looking to get from the heights down to the coast without committing to a multi-day haul.
Weekend Trip
Doable as a same-day drive at 1h 9m. Total distance: 37.7 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
1h 9m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
Scenic Drive
Turn-heavy local drive route profile with national parks nearby.
Expect a turn-heavy, local driving experience that leans more toward neighborhood navigation than high-speed cruising. Only about 10% of this route consists of highway driving, meaning you will spend the bulk of your time on local roads. The longest uninterrupted section you will encounter is a 22-mile stretch along Kamehameha Highway, which serves as the backbone of your journey. While you start with some freeway time on I-H2 and the Queen Liliʻuokalani Freeway, the character of the drive shifts significantly once you transition to the local highway. Be prepared for constant adjustments and a more hands-on approach behind the wheel compared to a standard interstate trek.
Mostly flat terrain
Total Climb
912 ft
Total Descent
1,150 ft
Highest Point
942 ft
~16.2 mi in
Elevation Range
933 ft
Expect a hands-on drive with frequent turns and local roads rather than long highway stretches. This route has several spots where lane changes, forks, or exits need your full attention. The trickiest moment comes around 0.1 miles in near Nahiolea Street.
Demanding - plan breaks and stay ahead of the key maneuvers
Balances navigation complexity with total wheel time.
This drive requires moderate attention. Across 37.7 miles you will encounter 10 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.
These are the spots where you need to pay the most attention. Preview them before you drive.
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
Keep slight right at fork onto I H2 toward Milliani, Wahiawa
Highway fork - watch signs carefully. Lane positioning matters here. Multiple destination signs - pick the right one
Take the exit toward Wahiawa
Exit ramp - move to the correct lane early. Lane positioning matters here
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Hālawa Heights, HI and Kahuku, HI, road signs point toward Milliani and Wahiawa.
Milliani
Wahiawa
| Road | Distance | Duration |
|---|---|---|
| Kamehameha Highway | 22 mi | 43m |
| I H2 | 7.9 mi | 10m |
| Queen Liliʻuokalani Freeway | 3.9 mi | 5m |
| Joseph Leong Highway | 1.9 mi | 3m |
| Halawa Heights Road | 0.2 mi | <1m |
| Kahuapaani Street | 0.1 mi | <1m |
| Nahiolea Street | 0.1 mi | <1m |
| Ulune Street | <0.1 mi | <1m |
Step-by-step road directions between Hālawa Heights, HI and Kahuku, 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
Keep slight right at fork onto I H2
Take the exit
Continue on HI 80
Turn straight onto HI 83
Continue on HI 83
Turn left
Arrive at destination
Rest stops, refuel points, and overnight suggestions along this route.
Halfway Point
Midpoint
About 18.9 mi from Hālawa Heights, HI · 31m into the drive
Mid-route town
Meal stop
19 mi into the route
Best for: Lunch, fuel, and a longer reset
This sits close to the middle of the route, so it works well for the longest stop of the day.
A short stop after about 37.7 miles helps settle the day before fatigue starts building.
The midpoint is around 18.9 miles from Hālawa Heights, HI, which is a good place for a longer meal and fuel stop.
The final approach into Kahuku, HI usually feels slower than the middle of the drive, so avoid planning your tightest schedule at the very end.
These stop ideas are pacing suggestions — the exact town or exit can change with traffic, hotel plans, and fuel range.
Regular Gas
$8.17 one way
$16.34 round trip
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.79 | $8.59 | $17.18 |
| premium | $5.98 | $8.88 | $17.75 |
| diesel | $5.61 | $8.32 | $16.65 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$8
Estimated CO2 emission: 13.2 kg one way. Prices: EIA weekly data, 2026-04-13.
Driving Electric?
About $4 in charging · 0 stops · 69% less CO2
| Vehicle Type | kWh | Stops | DC Fast | Home Charge |
|---|---|---|---|---|
| Average EV | 11.3 | 0 | $3.96 | $1.81 |
| Efficient EV | 9.4 | 0 | $3.30 | $1.51 |
| EV Truck/SUV | 15.1 | 0 | $5.28 | $2.41 |
Gas CO2
13 kg
EV CO2
4 kg (69% 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
Late night in Hālawa Heights on Friday
Local time
2:55 AM
HST
Current temp
70°F
Rain Showers
Destination
Late night in Kahuku on Friday
Local time
2:55 AM
HST
Current temp
65°F
Unavailable
72°F
Waialua, HI
19 mi in
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.
Compiled and maintained by the Trip.ovh planning team at COD Solutions Oy (Helsinki). Each route is built from authoritative open government and mapping datasets rather than crowdsourced reviews. Distances and geometry come from OSRM over OpenStreetMap. Fuel cost uses EIA weekly regional averages. Elevation is sampled from USGS 3DEP. National park proximity is from the NPS API. Pages are published only after passing our data-quality checks; our methodology page documents refresh cadence, editorial standards, and known limitations.
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