How far is Kea‘au, HI from Kapa‘a, HI?

The estimated driving distance from Kea‘au, HI to Kapa‘a, HI is about 382.6 miles (615.7 km), with a travel time of about 06h 42m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 324.2 miles (521.8 km).
  • For a round trip, plan for roughly 13h 24m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
382.58 mi
06h 42m · estimated
Flight
324.23 mi
521.79 km direct

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

Learn Distance

Choose another destination from Kea‘au.

Flight Distance

Direct air line
324.23 mi
Kilometers
521.79 km
Flight Time
00h 39m

Driving Distance

Estimated road route
382.58 mi
Estimated
Kilometers
615.71 km
Drive Time
06h 42m

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 06h 42m.

Arrival Snapshot
Arrive in Kapa‘a
Sun, Apr 19, 9:26 AM HST
Return by in Kea‘au
Sun, Apr 19, 4:08 PM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kea‘au
2026-04-19T02:44
Arrive Kapa‘a
Sun, Apr 19, 9:26 AM HST
Route Timing
06h 42m
One way by road
Best Departure Window
6:00 AM to 7:30 AM HST
Treat this as a longer travel day
Arrive between
12:42 PM to 2:12 PM HST

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:36 PM HST
Keeps a same-day return open with about 08h 00m at the destination.
Back in Kea‘au
8:00 PM HST
Overnight-style route

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 Kea‘au
162.1 mi
03h 21m
To Kapa‘a
220.5 mi
03h 21m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
76°F
Sunday

Scattered Rain Showers then Mostly Cloudy

Starts
Sun, Apr 19 6:00 AM HST
Wind
5 to 8 mph E
Destination
82°F
Sunday

Chance Rain Showers

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

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 Kea‘au and Kapa‘a.

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

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 42m
Overnight route
Same-Day Return
13h 24m
Round-trip wheel time
Road vs Air
+58.4 mi
324.2 mi direct line
Halfway Stop
Lanai City
03h 21m from Kea‘au
Leave By
10:36 PM HST
Overnight-style route
Weather Watch

Scattered Rain Showers then Mostly Cloudy leaving Kea‘au and Chance Rain Showers near Kapa‘a.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kea‘au to Kapa‘a?

The road trip is about 382.6 miles (615.7 km) and usually takes 06h 42m in normal driving conditions.

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

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Lanai City is a useful midpoint, sitting about 162.1 miles from Kea‘au and 220.5 miles from Kapa‘a.

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

The direct path is about 324.2 miles (521.8 km), while the road route adds roughly 58.4 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 6:00 AM to 7:30 AM HST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $66.84 one way or $133.68 round trip. Estimated CO2 is about 120 kg one way.

What should you check before leaving?

Before you leave, expect Scattered Rain Showers then Mostly Cloudy around Kea‘au and Chance Rain Showers near Kapa‘a.

Flight Path Map

This map shows the direct air route between Kea‘au and Kapa‘a. Straight-line distance: 324.23 mi (521.79 km).

Kea‘au

#1 Kea‘au

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

Population2,253
Coordinates19.6226500, -155.0374400
Altitude98
CountryUnited States
Kapa‘a

#2 Kapa‘a

Unincorporated census-designated place (CDP) in Kauaʻi County, Hawaiʻi, United States

Population10,699
Coordinates22.0752100, -159.3189500
Altitude6
CountryUnited States
Start: Kea‘au (-155.03744, 19.62265)
End: Kapa‘a (-159.31895, 22.07521)

Estimated Travel Time

Distance: 616 km by road

SpeedTime
30 mph (48.3 km/h)12h 44m
40 mph (64.37 km/h)09h 33m
50 mph (80.47 km/h)07h 39m
60 mph (96.56 km/h)06h 22m
70 mph (112.65 km/h)05h 27m
80 mph (129 km/h)04h 46m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.5 gal
51.1 L · about $66.84
Round trip
$133.68
27 gal · 102.2 L
Estimated CO2
120 kg one way
Round trip: 239.9 kg / 529 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $66.84 $133.68
Mid-grade $5.34 $72.06 $144.13
Premium $5.57 $75.14 $150.28
Diesel $6.37 $85.94 $171.88

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 Kea‘au and Kapa‘a. The current time is 02:44:03.

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.