How far is Wahiawā, HI from Waianae, HI?

The driving distance from Wahiawā, HI to Waianae, HI is about 28.1 miles (45.2 km), with a travel time of about 00h 43m by car.

  • The straight-line flight distance is about 11.2 miles (18.1 km).
  • For a round trip, plan for roughly 01h 26m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 7:00 AM to 7:00 PM HST.
Trip Tools

Reverse, save, or send this route

This is an easy same-day return drive. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
28.06 mi
00h 43m
Flight
11.28 mi
18.15 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Wahiawā.

Flight Distance

Direct air line
11.28 mi
Kilometers
18.15 km
Flight Time
00h 01m

Driving Distance

Road route
28.06 mi
Kilometers
45.16 km
Drive Time
00h 43m

Gas Cost Calculator

Leave and Arrive Planner

Pick a departure time to see your estimated arrival and same-day return window.

Drive time stays fixed at 00h 43m.

Arrival Snapshot
Arrive in Waianae
Mon, Jun 1, 9:47 AM HST
Return by in Wahiawā
Mon, Jun 1, 10:31 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Wahiawā
2026-06-01T09:04
Arrive Waianae
Mon, Jun 1, 9:47 AM HST
Route Timing
00h 43m
One way by road
Best Departure Window
7:00 AM to 7:00 PM HST
Leave when it suits your day
Arrive between
7:43 AM to 7:43 PM HST

This is a short drive, so your comfort window is wide. Traffic and current weather matter more than the clock.

Leave by
7:04 PM HST
Keeps a same-day return open with about 01h 30m at the destination.
Back in Wahiawā
10:00 PM HST
Flexible departure

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
‘Ewa Villages
HI

Census-designated place in Honolulu County, Hawaii, United States of America

From Wahiawā
14 mi
00h 21m
To Waianae
14 mi
00h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Today

Scattered Rain Showers

Starts
Mon, Jun 1 7:00 AM HST
Wind
7 to 13 mph NE
Destination
Waianae Weather
HI
Live fallback forecast
81°F
Today
Using Mākaha as the closest live forecast in the Honolulu County weather hub.

Mostly Sunny

Starts
Mon, Jun 1 6:00 AM HST
Wind
2 to 7 mph E

Driving Route Map

The map below follows the saved road route between Wahiawā and Waianae.

Turn-by-Turn Driving Directions

Step-by-step road directions between Wahiawā and Waianae.

  1. 1

    Start on the route

    652 ft · 53 sec

  2. 2

    At the end of the road, turn left onto North Cane Street

    837 ft · 41 sec · North Cane Street

  3. 3

    Turn right onto Kilani Avenue

    1686 ft · 52 sec · Kilani Avenue

  4. 4

    Turn left onto Kamehameha Highway

    3109 ft · 2 min · Kamehameha Highway

  5. 5

    Take the ramp slight right toward Honolulu

    925 ft · 23 sec

  6. 6

    Merge slight left

    7 mi · 10 min

  7. 7

    Take the exit slight right toward I H1 West: Waianae

    1.1 km · 1 min

  8. 8

    Keep slight left to continue on I H1 West: Waianae

    1.1 km · 1 min

  9. 9

    Merge slight left onto Queen Liliʻuokalani Freeway

    8 mi · 10 min · Queen Liliʻuokalani Freeway

  10. 10

    Continue on Farrington Highway

    10.2 mi · 21 min · Farrington Highway

  11. 11

    Arrive at your destination

    0 m · 1 sec · Farrington Highway

Car Route Details

A richer read on the saved driving route between Wahiawā and Waianae.

OSRM road route
Drive Character

Turn-heavy local drive

The route has frequent decision points for its length, so lane choice and turn timing will matter more than cruising speed.

Directions
11 steps
3 turns on the saved route
Ramps & Exits
4
2 merges, 2 ramps or exits
Navigation Density
39.1 / 100 mi
Decision points by distance
Main Roads
Farrington Highway
10.2 mi · 37%
Queen Liliʻuokalani Freeway
8.03 mi · 29%
Honolulu
7.16 mi · 26%
I H1 West
1.34 mi · 5%
Kamehameha Highway
0.59 mi · 2%
Kilani Avenue
0.32 mi · 1%
Longest Stretch

Farrington Highway

Continue on Farrington Highway

10.2 mi · 00h 21m

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

A short regional drive

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

Drive Time
00h 43m
Quick drive
Same-Day Return
01h 26m
Round-trip wheel time
Road vs Air
+16.9 mi
11.2 mi direct line
Halfway Stop
‘Ewa Villages
00h 21m from Wahiawā
Leave By
7:04 PM HST
Flexible departure
Weather Watch

Scattered Rain Showers leaving Wahiawā and Mostly Sunny near Waianae.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Wahiawā to Waianae?

The road trip is about 28.1 miles (45.2 km) and usually takes 00h 43m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is short enough to handle as a quick errand, commute, or easy same-day return without much planning overhead.

What is the halfway point on this route?

‘Ewa Villages is a useful midpoint, sitting about 14 miles from Wahiawā and 14 miles from Waianae.

How much longer is the road route than the straight-line distance?

The direct path is about 11.2 miles (18.1 km), while the road route adds roughly 16.9 extra miles because roads do not follow the straight air line.

When is the best time to leave for this route?

A good departure window is usually 7:00 AM to 7:00 PM HST. If you want a more comfortable same-day return, try to leave by 7:04 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $4.90 one way or $9.80 round trip. Estimated CO2 is about 8.8 kg one way.

What should you check before leaving?

Before you leave, expect Scattered Rain Showers around Wahiawā and Mostly Sunny near Waianae.

Flight Path Map

This map shows the direct air route between Wahiawā and Waianae. Straight-line distance: 11.28 mi (18.15 km).

Wahiawā

#1 Wahiawā

Census-designated place in Hawaii, United States

Population17,821
Coordinates21.5027900, -158.0246400
Altitude287
CountryUnited States
Photo coming soon

#2 Waianae

Census designated place in Honolulu County, Hawaii, United States

Population13,177
Coordinates21.4378500, -158.1855500
Altitude5
CountryUnited States
Start: Koa Street (-158.024437, 21.502869)
End: Farrington Highway (-158.185572, 21.437844)

Estimated Travel Time

Distance: 45 km by road

SpeedTime
30 mph (48.3 km/h)00h 56m
40 mph (64.37 km/h)00h 42m
50 mph (80.47 km/h)00h 33m
60 mph (96.56 km/h)00h 28m
70 mph (112.65 km/h)00h 24m
80 mph (129 km/h)00h 21m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.99 gal
3.75 L · about $4.90
Round trip
$9.80
1.98 gal · 7.5 L
Estimated CO2
8.8 kg one way
Round trip: 17.6 kg / 39 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $4.90 $9.80
Mid-grade $5.34 $5.28 $10.57
Premium $5.57 $5.51 $11.02
Diesel $6.37 $6.30 $12.60

Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.

Prices in Hawaii · Jun 01, 2026

There is no time difference between Wahiawā and Waianae. The current time is 09:04:42.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.