How far is Kapa‘a, HI from Kualapu‘u, HI?

The estimated driving distance from Kapa‘a, HI to Kualapu‘u, HI is about 199.8 miles (321.5 km), with a travel time of about 04h 09m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 159.8 miles (257.2 km).
  • For a round trip, plan for roughly 08h 18m 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
199.8 mi
04h 09m · estimated
Flight
159.84 mi
257.24 km direct

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

Learn Distance

Choose another destination from Kapa‘a.

Flight Distance

Direct air line
159.84 mi
Kilometers
257.24 km
Flight Time
00h 19m

Driving Distance

Estimated road route
199.8 mi
Estimated
Kilometers
321.55 km
Drive Time
04h 09m

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 09m.

Arrival Snapshot
Arrive in Kualapu‘u
Tue, Apr 14, 6:27 AM HST
Return by in Kapa‘a
Tue, Apr 14, 10:36 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kapa‘a
2026-04-14T02:17
Arrive Kualapu‘u
Tue, Apr 14, 6:27 AM HST
Route Timing
04h 09m
One way by road
Best Departure Window
6:00 AM to 8:00 AM HST
Leave early for more breathing room
Arrive between
10:09 AM to 12:09 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
8:42 AM HST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kapa‘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
Mokulēia
HI

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

From Kapa‘a
79.9 mi
02h 04m
To Kualapu‘u
119.9 mi
02h 04m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
71°F
Tuesday Night

Scattered Rain Showers

Starts
Tue, Apr 14 8:00 AM HST
Wind
8 mph ENE
Destination
79°F
Tuesday

Cloudy

Starts
Tue, Apr 14 6:00 AM HST
Wind
3 to 7 mph ENE

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 Kapa‘a and Kualapu‘u.

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 09m
Long day trip
Same-Day Return
08h 18m
Round-trip wheel time
Road vs Air
+40 mi
159.8 mi direct line
Halfway Stop
Mokulēia
02h 04m from Kapa‘a
Leave By
8:42 AM HST
Early departure recommended
Weather Watch

Scattered Rain Showers leaving Kapa‘a and Cloudy near Kualapu‘u.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kapa‘a to Kualapu‘u?

The road trip is about 199.8 miles (321.5 km) and usually takes 04h 09m 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?

Mokulēia is a useful midpoint, sitting about 79.9 miles from Kapa‘a and 119.9 miles from Kualapu‘u.

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

The direct path is about 159.8 miles (257.2 km), while the road route adds roughly 40 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 8:42 AM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $34.90 one way or $69.81 round trip. Estimated CO2 is about 62.7 kg one way.

What should you check before leaving?

Before you leave, expect Scattered Rain Showers around Kapa‘a and Cloudy near Kualapu‘u.

Flight Path Map

This map shows the direct air route between Kapa‘a and Kualapu‘u. Straight-line distance: 159.84 mi (257.24 km).

Kapa‘a

#1 Kapa‘a

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

Population10,699
Coordinates22.0752100, -159.3189500
Altitude6
CountryUnited States
Kualapu‘u

#2 Kualapu‘u

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

Population2,027
Coordinates21.1530600, -157.0367700
Altitude263
CountryUnited States
Start: Kapa‘a (-159.31895, 22.07521)
End: Kualapu‘u (-157.03677, 21.15306)

Estimated Travel Time

Distance: 322 km by road

SpeedTime
30 mph (48.3 km/h)06h 39m
40 mph (64.37 km/h)04h 59m
50 mph (80.47 km/h)03h 59m
60 mph (96.56 km/h)03h 19m
70 mph (112.65 km/h)02h 51m
80 mph (129 km/h)02h 29m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
7.05 gal
26.69 L · about $34.90
Round trip
$69.81
14.1 gal · 53.38 L
Estimated CO2
62.7 kg one way
Round trip: 125.3 kg / 276 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $34.90 $69.81
Mid-grade $5.34 $37.63 $75.27
Premium $5.57 $39.24 $78.48
Diesel $6.37 $44.88 $89.76

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 14, 2026

There is no time difference between Kapa‘a and Kualapu‘u. The current time is 02:17:53.

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.