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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
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station data
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.
Trip Pace
Same-day drive is realistic
A same-day return is realistic if you keep stops short.
Break Rhythm
0 planned breaks
A short stop every 2 to 3 hours is enough for this drive.
Midpoint
18.9 miles from Hālawa Heights, HI
A natural place for your longest stop of the day , about 31m into the drive .
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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.
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
This is a demanding drive. With 10 significant decision points across 37.7 miles, you will need to stay alert — especially through interchange areas and urban stretches. Consider splitting it into segments if you are not comfortable with fast highway navigation.
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
Since this is a relatively short 1-hour and 9-minute drive, you have plenty of flexibility to plan your departure around your own schedule. Keep in mind that because the route is local-heavy, traffic patterns can shift quickly, so checking your GPS before you head out is a smart move. You won't need to worry about complex stop planning since the trip is short enough to drive straight through without scheduled breaks. Fuel costs are quite manageable at $8, so simply ensuring your tank is topped off before you leave Hālawa Heights should suffice. As a specific tip for this route, prioritize your timing around the 22-mile Kamehameha Highway stretch, as this is where you will spend the most time and encounter the most localized road conditions.
Morning Departure
Leave by 9 AM and you'll arrive before lunch.
Evening Departure
Even a 4 PM departure gets you there before dark in summer.
This is a comfortable same-day trip.
Departure
Before you leave
Start with fuel, water, and navigation already sorted so the first hour feels easy.
First stop
Around 37.7 miles or 1h 9m in
Use this first pause for coffee, a restroom break, and a quick traffic check ahead.
Halfway reset
Around 18.9 miles or 31m in
This is the best place for your longest stop, a real meal, and a full fuel check.
Final approach
Final hour starts around 57m
Traffic, exits, and arrival timing usually matter more near Kahuku, HI than in the middle of the route.
Open the route before leaving Hālawa Heights, HI so your first major turns are already loaded.
Leave with enough water and a charging cable within reach, not packed away.
Check your fuel range against the first long segment, especially if you are starting outside city service areas.
Day 1
Settle into the route from Hālawa Heights, HI
This is one driving day of about 37.7 miles and 1h 9m.
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.
Try to arrive with enough fuel left to skip an immediate station stop unless you already know the area around Kahuku, HI.
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.
Estimated Trip Cost (one way, 1 person)
Fuel
$8
Meals
$25–$50
Total
$33–$58
Rough estimate based on US averages. Hotel $80–$140/night, meals $25–$50/day.
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
Afternoon in Hālawa Heights on Tuesday
Local time
12:41 PM
HST
Current temp
70°F
Rain Showers
Destination
Afternoon in Kahuku on Tuesday
Local time
12:41 PM
HST
Current temp
66°F
Unavailable
72°F
Waialua, HI
19 mi in
Seasonal Notes
Summer travel usually means heavier construction, hotter rest stops, and busier weekend traffic around major cities.
Winter travel shortens daylight, so a route that looks manageable on paper can feel much longer after dark.
Holiday weekends tend to make both departure and arrival windows slower than the raw route time suggests.
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.
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