How far is Waianae, HI from Waipio, HI?

The driving distance from Waianae, HI to Waipio, HI is about 20.4 miles (32.8 km), with a travel time of about 00h 36m by car.

  • The straight-line flight distance is about 12.1 miles (19.4 km).
  • For a round trip, plan for roughly 01h 13m 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
20.35 mi
00h 36m
Flight
12.07 mi
19.43 km direct

This is an easy same-day return drive.

Learn Distance

Choose another destination from Waianae.

Flight Distance

Direct air line
12.07 mi
Kilometers
19.43 km
Flight Time
00h 01m

Driving Distance

Road route
20.35 mi
Kilometers
32.75 km
Drive Time
00h 36m

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 36m.

Arrival Snapshot
Arrive in Waipio
Sun, Apr 19, 6:16 AM HST
Return by in Waianae
Sun, Apr 19, 6:53 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waianae
2026-04-19T05:39
Arrive Waipio
Sun, Apr 19, 6:16 AM HST
Route Timing
00h 36m
One way by road
Best Departure Window
7:00 AM to 7:00 PM HST
Leave when it suits your day
Arrive between
7:37 AM to 7:37 PM HST

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

Leave by
7:16 PM HST
Keeps a same-day return open with about 01h 30m at the destination.
Back in Waianae
10:00 PM HST
Flexible departure

You are leaving earlier than the recommended window, which gives you extra margin for breaks and traffic.

Halfway Point

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

Mid-route stop
Makakilo City
HI

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

From Waianae
10.2 mi
00h 18m
To Waipio
10.2 mi
00h 18m

Route Weather Snapshot

Check the forecast at both ends before you head out.

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

Mostly Cloudy then Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
2 mph ENE
Destination
80°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
3 mph E

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on Farrington Highway

    10.4 mi · 21 min · Farrington Highway

  2. 2

    Continue on Queen Liliʻuokalani Freeway

    6.9 mi · 9 min · Queen Liliʻuokalani Freeway

  3. 3

    Take the exit slight right toward Waikele, Waipahu

    1157 ft · 28 sec

  4. 4

    Keep slight left to continue on Waikele

    36 m · 5 sec

  5. 5

    Turn left onto Paiwa Street

    1943 ft · 51 sec · Paiwa Street

  6. 6

    Turn right onto Lumiaina Street

    1.4 km · 2 min · Lumiaina Street

  7. 7

    Continue on Luminana Street

    698 ft · 14 sec · Luminana Street

  8. 8

    Turn left onto Kamehameha Highway

    1915 ft · 54 sec · Kamehameha Highway

  9. 9

    Turn right onto Waipio Uka Street

    1.4 km · 2 min · Waipio Uka Street

  10. 10

    Turn left onto Nanilihilihi Street

    1173 ft · 52 sec · Nanilihilihi Street

  11. 11

    Arrive at your destination

    0 m · 1 sec · Nanilihilihi Street

Car Route Details

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

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
5 turns on the saved route
Ramps & Exits
1
0 merges, 1 ramps or exits
Navigation Density
53.9 / 100 mi
Decision points by distance
Main Roads
Farrington Highway
10.4 mi · 51%
Queen Liliʻuokalani Freeway
6.94 mi · 34%
Waipio Uka Street
0.87 mi · 4%
Lumiaina Street
0.84 mi · 4%
Paiwa Street
0.37 mi · 2%
Kamehameha Highway
0.36 mi · 2%
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 36m
Quick drive
Same-Day Return
01h 14m
Round-trip wheel time
Road vs Air
+8.3 mi
12.1 mi direct line
Halfway Stop
Makakilo City
00h 18m from Waianae
Leave By
7:16 PM HST
Flexible departure
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 20.4 miles (32.8 km) and usually takes 00h 36m 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?

Makakilo City is a useful midpoint, sitting about 10.2 miles from Waianae and 10.2 miles from Waipio.

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

The direct path is about 12.1 miles (19.4 km), while the road route adds roughly 8.3 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 7:16 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $3.56 one way or $7.13 round trip. Estimated CO2 is about 6.4 kg one way.

What should you check before leaving?

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

Flight Path Map

This map shows the direct air route between Waianae and Waipio. Straight-line distance: 12.07 mi (19.43 km).

Photo coming soon

#1 Waianae

Census designated place in Honolulu County, Hawaii, United States

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

#2 Waipio

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

Population11,674
Coordinates21.4182300, -157.9990600
Altitude116
CountryUnited States
Start: Waianae (-158.18555, 21.43785)
End: Waipio (-157.99906, 21.41823)

Estimated Travel Time

Distance: 33 km by road

SpeedTime
30 mph (48.3 km/h)00h 40m
40 mph (64.37 km/h)00h 30m
50 mph (80.47 km/h)00h 24m
60 mph (96.56 km/h)00h 20m
70 mph (112.65 km/h)00h 17m
80 mph (129 km/h)00h 15m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
0.72 gal
2.72 L · about $3.56
Round trip
$7.13
1.44 gal · 5.44 L
Estimated CO2
6.4 kg one way
Round trip: 12.8 kg / 28 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $3.56 $7.13
Mid-grade $5.34 $3.84 $7.69
Premium $5.57 $4.01 $8.02
Diesel $6.37 $4.58 $9.17

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 19, 2026

There is no time difference between Waianae and Waipio. The current time is 05:39:25.

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.