How far is Kapa‘a, HI from Mā‘ili, HI?

The estimated driving distance from Kapa‘a, HI to Mā‘ili, HI is about 107.9 miles (173.7 km), with a travel time of about 02h 14m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 86.4 miles (139 km).
  • For a round trip, plan for roughly 04h 29m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 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 route works well as a day trip with time at the destination. Copy the route link, send it to another device, or print a clean version before you head out.

Reverse Route
Quick Snapshot
Road
107.96 mi
02h 14m · estimated
Flight
86.37 mi
139 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Kapa‘a.

Flight Distance

Direct air line
86.37 mi
Kilometers
139 km
Flight Time
00h 10m

Driving Distance

Estimated road route
107.96 mi
Estimated
Kilometers
173.74 km
Drive Time
02h 14m

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 02h 14m.

Arrival Snapshot
Arrive in Mā‘ili
Sun, Apr 19, 7:41 AM HST
Return by in Kapa‘a
Sun, Apr 19, 9:56 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kapa‘a
2026-04-19T05:27
Arrive Mā‘ili
Sun, Apr 19, 7:41 AM HST
Route Timing
02h 14m
One way by road
Best Departure Window
8:00 AM to 10:00 AM HST
Aim for a morning departure
Arrive between
10:15 AM to 12:15 PM HST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
2:00 PM HST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Kapa‘a
9:30 PM HST
Morning start is best

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
Mākaha
HI

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

From Kapa‘a
43.2 mi
01h 07m
To Mā‘ili
64.7 mi
01h 07m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
82°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
6 mph E
Destination
Mā‘ili 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

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 Mā‘ili.

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 comfortable day-trip route

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

Drive Time
02h 14m
Day trip friendly
Same-Day Return
04h 30m
Round-trip wheel time
Road vs Air
+21.5 mi
86.4 mi direct line
Halfway Stop
Mākaha
01h 07m from Kapa‘a
Leave By
2:00 PM HST
Morning start is best
Weather Watch

Chance Rain Showers leaving Kapa‘a and Mostly Cloudy then Chance Rain Showers near Mā‘ili.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kapa‘a to Mā‘ili?

The road trip is about 107.9 miles (173.7 km) and usually takes 02h 14m in normal driving conditions.

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

This route works well as a day trip. You can leave in the morning, spend meaningful time at the destination, and still return the same day.

What is the halfway point on this route?

Mākaha is a useful midpoint, sitting about 43.2 miles from Kapa‘a and 64.7 miles from Mā‘ili.

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

The direct path is about 86.4 miles (139 km), while the road route adds roughly 21.5 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 8:00 AM to 10:00 AM HST. If you want a more comfortable same-day return, try to leave by 2:00 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $18.86 one way or $37.73 round trip. Estimated CO2 is about 33.9 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Kapa‘a and Mostly Cloudy then Chance Rain Showers near Mā‘ili.

Flight Path Map

This map shows the direct air route between Kapa‘a and Mā‘ili. Straight-line distance: 86.37 mi (139 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
Mā‘ili

#2 Mā‘ili

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

Population9,488
Coordinates21.4162900, -158.1753100
Altitude3
CountryUnited States
Start: Kapa‘a (-159.31895, 22.07521)
End: Mā‘ili (-158.17531, 21.41629)

Estimated Travel Time

Distance: 174 km by road

SpeedTime
30 mph (48.3 km/h)03h 35m
40 mph (64.37 km/h)02h 41m
50 mph (80.47 km/h)02h 09m
60 mph (96.56 km/h)01h 47m
70 mph (112.65 km/h)01h 32m
80 mph (129 km/h)01h 20m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
3.81 gal
14.42 L · about $18.86
Round trip
$37.73
7.62 gal · 28.84 L
Estimated CO2
33.9 kg one way
Round trip: 67.7 kg / 149 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $18.86 $37.73
Mid-grade $5.34 $20.34 $40.68
Premium $5.57 $21.21 $42.41
Diesel $6.37 $24.25 $48.51

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 Kapa‘a and Mā‘ili. The current time is 05:27:18.

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.