How far is Honoka‘a, HI from Waianae, HI?

The estimated driving distance from Honoka‘a, HI to Waianae, HI is about 248.9 miles (400.6 km), with a travel time of about 04h 21m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 199.1 miles (320.5 km).
  • For a round trip, plan for roughly 08h 43m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM HST.
Road route is being refreshed. This page currently uses an estimated driving distance until a routing provider returns the full road geometry.
Trip Tools

Reverse, save, or send this route

This drive is better planned with a longer stop or an overnight stay. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
248.93 mi
04h 21m · estimated
Flight
199.15 mi
320.5 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Honoka‘a.

Flight Distance

Direct air line
199.15 mi
Kilometers
320.5 km
Flight Time
00h 24m

Driving Distance

Estimated road route
248.93 mi
Estimated
Kilometers
400.62 km
Drive Time
04h 21m

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 04h 21m.

Arrival Snapshot
Arrive in Waianae
Thu, Apr 23, 4:51 AM HST
Return by in Honoka‘a
Thu, Apr 23, 9:13 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Honoka‘a
2026-04-23T00:29
Arrive Waianae
Thu, Apr 23, 4:51 AM HST
Route Timing
04h 21m
One way by road
Best Departure Window
6:00 AM to 8:00 AM HST
Leave early for more breathing room
Arrive between
10:22 AM to 12:22 PM HST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
8:16 AM HST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Honoka‘a
9:00 PM HST
Early departure recommended

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
Lanai City
HI

City in Maui County, Hawaii, United States of America

From Honoka‘a
99.5 mi
02h 10m
To Waianae
149.4 mi
02h 10m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
73°F
Thursday

Mostly Sunny

Starts
Thu, Apr 23 6:00 AM HST
Wind
9 mph ENE
Destination
Waianae Weather
HI
Live fallback forecast
82°F
Thursday
Using Mākaha as the closest live forecast in the Honolulu County weather hub.

Sunny

Starts
Thu, Apr 23 6:00 AM HST
Wind
7 to 13 mph NNE

Driving Route Map

Road route is being refreshed. This page currently uses an estimated driving distance.

Turn-by-Turn Driving Directions

Step-by-step road directions between Honoka‘a and Waianae.

Turn-by-turn directions will appear after the road route is refreshed. The current distance is an estimate.

Route Summary

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

Trip Read

A longer out-and-back drive

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

Drive Time
04h 21m
Long day trip
Same-Day Return
08h 44m
Round-trip wheel time
Road vs Air
+49.8 mi
199.1 mi direct line
Halfway Stop
Lanai City
02h 10m from Honoka‘a
Leave By
8:16 AM HST
Early departure recommended
Weather Watch

Mostly Sunny leaving Honoka‘a and Sunny near Waianae.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Honoka‘a to Waianae?

The road trip is about 248.9 miles (400.6 km) and usually takes 04h 21m in normal driving conditions.

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

This is still possible in one day, but it becomes a long driving day. Leaving early and planning your stop window matters more here.

What is the halfway point on this route?

Lanai City is a useful midpoint, sitting about 99.5 miles from Honoka‘a and 149.4 miles from Waianae.

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

The direct path is about 199.1 miles (320.5 km), while the road route adds roughly 49.8 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 6:00 AM to 8:00 AM HST. If you want a more comfortable same-day return, try to leave by 8:16 AM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $43.47 one way or $86.94 round trip. Estimated CO2 is about 78 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Sunny around Honoka‘a and Sunny near Waianae.

Flight Path Map

This map shows the direct air route between Honoka‘a and Waianae. Straight-line distance: 199.15 mi (320.5 km).

Honoka‘a

#1 Honoka‘a

Census-designated plate in Hawaii County, Hawaii, United States

Population2,258
Coordinates20.0793100, -155.4669100
Altitude332
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: Honoka‘a (-155.46691, 20.07931)
End: Waianae (-158.18555, 21.43785)

Estimated Travel Time

Distance: 401 km by road

SpeedTime
30 mph (48.3 km/h)08h 17m
40 mph (64.37 km/h)06h 13m
50 mph (80.47 km/h)04h 58m
60 mph (96.56 km/h)04h 08m
70 mph (112.65 km/h)03h 33m
80 mph (129 km/h)03h 06m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
8.78 gal
33.25 L · about $43.47
Round trip
$86.94
17.56 gal · 66.5 L
Estimated CO2
78 kg one way
Round trip: 156.1 kg / 344 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $43.47 $86.94
Mid-grade $5.34 $46.87 $93.74
Premium $5.57 $48.87 $97.74
Diesel $6.37 $55.89 $111.79

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 23, 2026

There is no time difference between Honoka‘a and Waianae. The current time is 00:29:40.

Distance to Other Cities

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