How far is Waimānalo Beach, HI from Kapa‘a, HI?

The estimated driving distance from Waimānalo Beach, HI to Kapa‘a, HI is about 144.8 miles (233.1 km), with a travel time of about 03h 00m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 115.9 miles (186.5 km).
  • For a round trip, plan for roughly 06h 01m 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
144.82 mi
03h 00m · estimated
Flight
115.85 mi
186.45 km direct

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

Learn Distance

Choose another destination from Waimānalo Beach.

Flight Distance

Direct air line
115.85 mi
Kilometers
186.45 km
Flight Time
00h 13m

Driving Distance

Estimated road route
144.82 mi
Estimated
Kilometers
233.07 km
Drive Time
03h 00m

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 03h 00m.

Arrival Snapshot
Arrive in Kapa‘a
Sun, Apr 19, 7:29 AM HST
Return by in Waimānalo Beach
Sun, Apr 19, 10:30 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waimānalo Beach
2026-04-19T04:29
Arrive Kapa‘a
Sun, Apr 19, 7:29 AM HST
Route Timing
03h 00m
One way by road
Best Departure Window
6:00 AM to 8:00 AM HST
Leave early for more breathing room
Arrive between
9:01 AM to 11:01 AM HST

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

Leave by
10:58 AM HST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Waimānalo Beach
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 Waimānalo Beach
57.9 mi
01h 30m
To Kapa‘a
86.9 mi
01h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
75°F
Sunday

Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
6 to 9 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 Waimānalo Beach 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

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
03h 00m
Long day trip
Same-Day Return
06h 02m
Round-trip wheel time
Road vs Air
+28.9 mi
115.9 mi direct line
Halfway Stop
Mokulēia
01h 30m from Waimānalo Beach
Leave By
10:58 AM HST
Early departure recommended
Weather Watch

Chance Rain Showers leaving Waimānalo Beach 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 Waimānalo Beach to Kapa‘a?

The road trip is about 144.8 miles (233.1 km) and usually takes 03h 00m 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 57.9 miles from Waimānalo Beach and 86.9 miles from Kapa‘a.

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

The direct path is about 115.9 miles (186.5 km), while the road route adds roughly 28.9 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 10:58 AM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $25.30 one way or $50.60 round trip. Estimated CO2 is about 45.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Waimānalo Beach and Chance Rain Showers near Kapa‘a.

Flight Path Map

This map shows the direct air route between Waimānalo Beach and Kapa‘a. Straight-line distance: 115.85 mi (186.45 km).

Waimānalo Beach

#1 Waimānalo Beach

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

Population4,481
Coordinates21.3340700, -157.7000300
Altitude6
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: Waimānalo Beach (-157.70003, 21.33407)
End: Kapa‘a (-159.31895, 22.07521)

Estimated Travel Time

Distance: 233 km by road

SpeedTime
30 mph (48.3 km/h)04h 49m
40 mph (64.37 km/h)03h 37m
50 mph (80.47 km/h)02h 53m
60 mph (96.56 km/h)02h 24m
70 mph (112.65 km/h)02h 04m
80 mph (129 km/h)01h 48m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
5.11 gal
19.34 L · about $25.30
Round trip
$50.60
10.22 gal · 38.68 L
Estimated CO2
45.4 kg one way
Round trip: 90.8 kg / 200 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $25.30 $50.60
Mid-grade $5.34 $27.28 $54.55
Premium $5.57 $28.44 $56.88
Diesel $6.37 $32.53 $65.06

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 Waimānalo Beach and Kapa‘a. The current time is 04:29:06.

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.