How far is Waianae, HI from Kapolei, HI?

The driving distance from Waianae, HI to Kapolei, HI is about 13.2 miles (21.2 km), with a travel time of about 00h 27m by car.

  • The straight-line flight distance is about 10.8 miles (17.4 km).
  • For a round trip, plan for roughly 00h 54m 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
13.16 mi
00h 27m
Flight
10.82 mi
17.41 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Waianae.

Flight Distance

Direct air line
10.82 mi
Kilometers
17.41 km
Flight Time
00h 01m

Driving Distance

Road route
13.16 mi
Kilometers
21.18 km
Drive Time
00h 27m

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 27m.

Arrival Snapshot
Arrive in Kapolei
Thu, Apr 16, 12:30 PM HST
Return by in Waianae
Thu, Apr 16, 12:57 PM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waianae
2026-04-16T12:03
Arrive Kapolei
Thu, Apr 16, 12:30 PM HST
Route Timing
00h 27m
One way by road
Best Departure Window
7:00 AM to 7:00 PM HST
Leave when it suits your day
Arrive between
7:27 AM to 7:27 PM HST

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

Leave by
7:36 PM HST
Keeps a same-day return open with about 01h 30m at the destination.
Back in Waianae
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
Nānākuli
HI

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

From Waianae
6.6 mi
00h 13m
To Kapolei
6.6 mi
00h 13m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Waianae Weather
HI
Live fallback forecast
81°F
Thursday
Using Mākaha as the closest live forecast in the Honolulu County weather hub.

Mostly Cloudy then Chance Rain Showers

Starts
Thu, Apr 16 6:00 AM HST
Wind
0 to 3 mph E
Destination
83°F
Thursday

Mostly Cloudy

Starts
Thu, Apr 16 6:00 AM HST
Wind
7 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Farrington Highway

    10.4 mi · 21 min · Farrington Highway

  2. 2

    Take the exit slight right toward Kalaeloa Boulevard, Kalaeloa Airport

    903 ft · 31 sec

  3. 3

    Keep slight right

    69 m · 8 sec

  4. 4

    Turn straight onto Kalaeloa Boulevard

    919 ft · 20 sec · Kalaeloa Boulevard

  5. 5

    Turn left onto Kapolei Parkway

    2.1 mi · 4 min · Kapolei Parkway

  6. 6

    Turn left onto Kama'aha Avenue

    651 ft · 25 sec · Kama'aha Avenue

  7. 7

    Turn right onto Kekuilani Loop

    119 m · 15 sec · Kekuilani Loop

  8. 8

    Turn right onto Opuku Street

    723 ft · 30 sec · Opuku Street

  9. 9

    At the end of the road, turn left onto Kalehuna Street

    36 m · 4 sec · Kalehuna Street

  10. 10

    Arrive at your destination

    0 m · 1 sec · Kalehuna Street

Car Route Details

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

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
10 steps
6 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
75.8 / 100 mi
Decision points by distance
Main Roads
Farrington Highway
10.4 mi · 79%
Kapolei Parkway
2.05 mi · 16%
Kalaeloa Boulevard
0.39 mi · 3%
Opuku Street
0.14 mi · 1%
Kama'aha Avenue
0.12 mi · 1%
Kekuilani Loop
0.07 mi · 1%
Longest Stretch

Farrington Highway

Start on Farrington Highway

10.4 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 27m
Quick drive
Same-Day Return
00h 54m
Round-trip wheel time
Road vs Air
+2.4 mi
10.8 mi direct line
Halfway Stop
Nānākuli
00h 13m from Waianae
Leave By
7:36 PM HST
Flexible departure
Weather Watch

Mostly Cloudy then Chance Rain Showers leaving Waianae and Mostly Cloudy near Kapolei.

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 13.2 miles (21.2 km) and usually takes 00h 27m 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?

Nānākuli is a useful midpoint, sitting about 6.6 miles from Waianae and 6.6 miles from Kapolei.

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

The direct path is about 10.8 miles (17.4 km), while the road route adds roughly 2.4 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 7:36 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $2.28 one way or $4.55 round trip. Estimated CO2 is about 4.1 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Chance Rain Showers around Waianae and Mostly Cloudy near Kapolei.

Flight Path Map

This map shows the direct air route between Waianae and Kapolei. Straight-line distance: 10.82 mi (17.41 km).

Photo coming soon

#1 Waianae

Census designated place in Honolulu County, Hawaii, United States

Population13,177
Coordinates21.4378500, -158.1855500
Altitude5
CountryUnited States
Kapolei

#2 Kapolei

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

Population15,186
Coordinates21.3355500, -158.0582000
Altitude-
CountryUnited States
Start: Waianae (-158.18555, 21.43785)
End: Kapolei (-158.0582, 21.33555)

Estimated Travel Time

Distance: 21 km by road

SpeedTime
30 mph (48.3 km/h)00h 26m
40 mph (64.37 km/h)00h 19m
50 mph (80.47 km/h)00h 15m
60 mph (96.56 km/h)00h 13m
70 mph (112.65 km/h)00h 11m
80 mph (129 km/h)00h 09m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.46 gal
1.76 L · about $2.28
Round trip
$4.55
0.92 gal · 3.52 L
Estimated CO2
4.1 kg one way
Round trip: 8.2 kg / 18 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $2.28 $4.55
Mid-grade $5.34 $2.46 $4.91
Premium $5.57 $2.56 $5.12
Diesel $6.37 $2.93 $5.86

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 · Apr 16, 2026

There is no time difference between Waianae and Kapolei. The current time is 12:03:31.

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.