Origin
Waimalu, HI
Afternoon in Waimalu on Saturday
Local time
3:21 PM
HST
Current temp
69°F
Unavailable
Live forecast
Trip from Waimalu, HI to Waianae, HI
Compiled and reviewed by the US Trip Planner planning team at COD Solutions Oy · Last reviewed Apr 19, 2026 · Editorial standards
Drive Time
40m
Distance
23.1 mi
37 km
Drive Score
8/10
Great drive
Same Day?
Yes, doable
Fuel Cost
$5
one way
EV Charging
Good
8 stations
Best Time to Leave
4 AM
0h 37m
★
6 AM
0h 41m
8 AM
0h 47m
10 AM
0h 43m
12 PM
0h 42m
3 PM
0h 43m
5 PM
0h 47m
8 PM
0h 38m
Estimated drive times based on typical traffic patterns. Actual times may vary with weather, construction, and real-time conditions.
Waimalu, HI
Mike Norris
Waianae, HI
Wikimedia Commons
Trip Overview
Traveling from Waimalu to Waianae covers 23.1 miles and typically takes about 40 minutes, making it a straightforward day trip. You will primarily utilize the Queen Liliʻuokalani Freeway, Farrington Highway, and Kaahumanu Street to complete the journey. With a modest fuel budget of $5, this route is highly efficient for those looking to traverse this section of Hawaii without much logistical strain. Because the drive is relatively short, you won't need to plan for overnight stays, allowing for maximum flexibility in your schedule. It is an ideal connection for travelers moving between these two areas who prefer a quick, no-nonsense transit experience.
Main Roads
| Road | Distance | Duration |
|---|---|---|
| Queen Liliʻuokalani Freeway | 10.6 mi | 13m |
| Farrington Highway | 10.2 mi | 20m |
| Kaahumanu Street | 0.7 mi | 1m |
| Komo Mai Drive | 0.2 mi | <1m |
| Nahele Street | 0.2 mi | <1m |
| Moanalua Road | 0.2 mi | <1m |
| Halakea Street | 0.2 mi | <1m |
| Ulu Street | <0.1 mi | <1m |
Longest stretch:
Queen Liliʻuokalani Freeway
— 10.6 mi, about 13m
Turn-by-Turn Driving Directions
Step-by-step road directions between Waimalu, HI and Waianae, HI.
1
Start on Halakea Street
0.2 mi
·
50 sec
·
Halakea Street
2
Turn left onto Ulu Street
258 ft
·
15 sec
·
Ulu Street
3
Turn right onto Oliwa Street
206 ft
·
16 sec
·
Oliwa Street
4
Turn left onto Nahele Street
0.2 mi
·
35 sec
·
Nahele Street
5
Turn right onto Komo Mai Drive
0.2 mi
·
42 sec
·
Komo Mai Drive
Use the left lane.
6
Turn left onto Kaahumanu Street
0.7 mi
·
1 min
·
Kaahumanu Street
Use the left lane.
7
Turn right onto Moanalua Road
0.2 mi
·
23 sec
·
Moanalua Road
Use the right lane.
8
Take the ramp
0.6 mi
·
1 min
Toward I H-1 West: Waianae, Wahiawa
Use the right lane.
9
Merge onto I H1
1.4 mi
·
1 min
·
Queen Liliʻuokalani Freeway
Use the straight / slight right lanes.
10
Keep slight left at fork onto I H1
9.2 mi
·
11 min
·
Queen Liliʻuokalani Freeway
Toward Waianae
Use the straight / slight right lanes.
11
Continue on HI 93
10 mi
·
20 min
·
Farrington Highway
12
Arrive at destination
HI 93
Heads-up: tricky spots
5 of 95 decision points cluster between mile 0.5 and 3.7 — GPS handles the exact turns, but know they're coming. Your lane choice matters more than the turn itself.
6
0.5 mi into trip
|
~1m in
|
Komo Mai Drive
Turn right onto Komo Mai Drive
Lane positioning matters here
Use the left lane.
6
0.7 mi into trip
|
~2m in
|
Kaahumanu Street
Turn left onto Kaahumanu Street
Lane positioning matters here
Use the left lane.
6
1.5 mi into trip
|
~4m in
|
Moanalua Road
Turn right onto Moanalua Road
Lane positioning matters here
Use the right lane.
6
1.7 mi into trip
|
~5m in
Take the ramp toward I H-1 West: Waianae, Wahiawa
Lane positioning matters here. Multiple destination signs - pick the right one
Use the right lane.
Toward I H-1 West: Waianae, Wahiawa
7
3.7 mi into trip
|
~8m in
|
I H1 / Queen Liliʻuokalani Freeway
Keep slight left at fork onto I H1 / Queen Liliʻuokalani Freeway toward Waianae
Highway fork - watch signs carefully. Lane positioning matters here
Use the straight / slight right lanes.
Toward Waianae
Fuel & Cost
Regular Gas
$5.01 one way
$10.01 round trip
$5.51/gal
25.4 MPG avg
8 kg CO2
| Fuel Type | $/gal | One Way | Round Trip |
|---|---|---|---|
| midgrade | $5.79 | $5.26 | $10.53 |
| premium | $5.98 | $5.44 | $10.88 |
| diesel | $5.61 | $5.10 | $10.20 |
No toll roads detected on this route.
Drive Cost (one way)
Fuel
$5
Estimated CO2 emission: 8.1 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 | $2.43 | $1.11 |
| Efficient EV | 5.8 | 0 | $2.02 | $0.92 |
| EV Truck/SUV | 9.2 | 0 | $3.23 | $1.48 |
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.
Travel Intel
Current conditions at both ends of the drive.
Destination
Waianae, HI
Afternoon in Waianae on Saturday
Local time
3:21 PM
HST
Current temp
--
Unavailable
Time zone
Same local time
Origin and destination are on the same clock, so arrival timing is easier to judge at a glance.
Road read
40m on the road
Use the two city cards together: check the sky where you start, then compare it with the local time and temperature at arrival.
Weather data from the National Weather Service. Conditions may change; check closer to your travel date.
What kind of drive is this?
This 23.1-mile journey functions as a mixed drive, transitioning from high-speed freeway travel to local highway conditions. You will spend roughly 46% of your time on highways, with the longest uninterrupted stretch occurring over 10.6 miles on the Queen Liliʻuokalani Freeway. As you progress, the road shifts from the faster freeway pace onto the Farrington Highway, requiring you to adapt to changing traffic patterns. Expect a functional drive that prioritizes directness over technical challenges, moving you steadily across the region. The transition between these road types defines the character of the trip, balancing steady highway cruising with local road navigation.
46% highway, the rest on surface roads — varied driving throughout.
12 navigation steps total — most of the decisions cluster near the start and finish.
Longest single stretch: 10.6 mi on Queen Liliʻuokalani Freeway.
How Hard Is This Drive?
7/10
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 around 0.5 miles in near Komo Mai Drive.
Driving Effort
7/10
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 23.1 miles, you will need to pay attention to lane changes and exits — but the whole thing is over in 40m.
Where does it get tricky?
The main spots that need attention: at 0.5 miles (Komo Mai Drive): Lane positioning matters here; at 0.7 miles (Kaahumanu Street): Lane positioning matters here; at 1.5 miles (Moanalua Road): Lane positioning matters here.
Elevation Profile
Mostly flat terrain
390 ft
13 ft
Total Climb
228 ft
Total Descent
605 ft
Highest Point
390 ft
Elevation Range
377 ft
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Towns Mentioned on Route Signs
Based on OSRM destination-sign hints, not a full list of every settlement the road passes.
Between Waimalu, HI and Waianae, HI, road signs point toward I H-1 West: Waianae and Wahiawa.
I H-1 West: Waianae
1.7 mi in
|
~5m
Wahiawa
1.7 mi in
|
~5m
Who Is This Route For?
Weekend Trip
Doable as a same-day drive at 40m. Total distance: 23.1 miles.
Family Friendly
Moderate complexity with 0 natural rest stops along the way.
Solo Traveler
40m drive, comfortable solo distance.
EV Driver
0 DC fast chargers along the route. Coverage: unknown.
First-Time Driver
Mostly highway driving (46%). Some complex stretches to watch for.
Scenic Drive
Mixed highway & surface route profile with national parks nearby.
Frequently Asked Questions
The longest stretch is about 10.6 miles on Queen Liliʻuokalani Freeway. The full list of main roads is in the Roads section above.
It helps. This route has a higher-than-average number of complex decision points, which get harder in the dark. If the last hour of the trip is on surface roads or mountain grades, aim to arrive at Waianae, HI before sunset when you can. Check the Trip Plan for departure windows that land you in daylight.
Yes. At under 2 hours behind the wheel, this works well for families — plan one quick stop if you have younger kids.
The main spots that need attention: at 0.5 miles (Komo Mai Drive): Lane positioning matters here; at 0.7 miles (Kaahumanu Street): Lane positioning matters here; at 1.5 miles (Moanalua Road): Lane positioning matters here.
Yes — Pearl Harbor National Memorial. See the National Parks section for detour distances and tips on detours.
Yes. A round trip is manageable in a single day if you plan a break at Waianae, HI before heading back.
How this page is built
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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