How far is Kalaoa, HI from Wainaku, HI?

The driving distance from Kalaoa, HI to Wainaku, HI is about 73.7 miles (118.6 km), with a travel time of about 01h 47m by car.

  • The straight-line flight distance is about 57.7 miles (92.8 km).
  • For a round trip, plan for roughly 03h 34m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM HST.
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
73.69 mi
01h 47m
Flight
57.68 mi
92.82 km direct

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

Learn Distance

Choose another destination from Kalaoa.

Flight Distance

Direct air line
57.68 mi
Kilometers
92.82 km
Flight Time
00h 06m

Driving Distance

Road route
73.69 mi
Kilometers
118.59 km
Drive Time
01h 47m

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 01h 47m.

Arrival Snapshot
Arrive in Wainaku
Sun, Apr 19, 8:43 AM HST
Return by in Kalaoa
Sun, Apr 19, 10:31 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kalaoa
2026-04-19T06:56
Arrive Wainaku
Sun, Apr 19, 8:43 AM HST
Route Timing
01h 47m
One way by road
Best Departure Window
8:00 AM to 10:00 AM HST
Aim for a morning departure
Arrive between
9:47 AM to 11:47 AM HST

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

Leave by
2:56 PM HST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Kalaoa
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
Waimea
HI

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

From Kalaoa
36.8 mi
00h 53m
To Wainaku
36.8 mi
00h 53m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
83°F
Sunday

Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
6 mph WSW
Destination
79°F
Sunday

Isolated Rain Showers then Mostly Cloudy

Starts
Sun, Apr 19 6:00 AM HST
Wind
3 to 7 mph ESE

Driving Route Map

The map below follows the saved road route between Kalaoa and Wainaku.

Turn-by-Turn Driving Directions

Step-by-step road directions between Kalaoa and Wainaku.

  1. 1

    Start on Mahilani Drive

    1115 ft · 55 sec · Mahilani Drive

  2. 2

    At the end of the road, turn left onto Mamalahoa Highway

    18.6 mi · 28 min · Mamalahoa Highway

  3. 3

    Turn slight right

    80 m · 6 sec

  4. 4

    Turn straight onto Daniel K. Inouye Highway

    45.4 mi · 1 hr · Daniel K. Inouye Highway

  5. 5

    Continue on Puainako Street

    4.4 mi · 6 min · Puainako Street

  6. 6

    At the end of the road, turn left onto Komohana Street

    1.8 mi · 4 min · Komohana Street

  7. 7

    At the end of the road, turn right onto Waianuenue Avenue

    1 mi · 3 min · Waianuenue Avenue

  8. 8

    Turn left onto Bayfront Highway

    1.5 km · 2 min · Bayfront Highway

  9. 9

    Continue on Mamalahoa Highway

    1.2 km · 1 min · Mamalahoa Highway

  10. 10

    Turn left onto Wainaku Street

    815 ft · 37 sec · Wainaku Street

  11. 11

    Turn right onto Kulana Kea Drive

    1587 ft · 2 min · Kulana Kea Drive

  12. 12

    Turn left

    48 m · 7 sec

  13. 13

    Arrive at your destination

    0 m · 1 sec

Car Route Details

A richer read on the saved driving route between Kalaoa and Wainaku.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
13 steps
9 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
17.6 / 100 mi
Decision points by distance
Main Roads
Daniel K. Inouye Highway
45.4 mi · 62%
Mamalahoa Highway
19.3 mi · 26%
Puainako Street
4.41 mi · 6%
Komohana Street
1.85 mi · 3%
Waianuenue Avenue
1.04 mi · 1%
Bayfront Highway
0.92 mi · 1%
Longest Stretch

Daniel K. Inouye Highway

Turn straight onto Daniel K. Inouye Highway

45.4 mi · 01h 00m

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
01h 47m
Day trip friendly
Same-Day Return
03h 34m
Round-trip wheel time
Road vs Air
+16 mi
57.7 mi direct line
Halfway Stop
Waimea
00h 53m from Kalaoa
Leave By
2:56 PM HST
Morning start is best
Weather Watch

Slight Chance Rain Showers leaving Kalaoa and Isolated Rain Showers then Mostly Cloudy near Wainaku.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kalaoa to Wainaku?

The road trip is about 73.7 miles (118.6 km) and usually takes 01h 47m 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?

Waimea is a useful midpoint, sitting about 36.8 miles from Kalaoa and 36.8 miles from Wainaku.

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

The direct path is about 57.7 miles (92.8 km), while the road route adds roughly 16 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 2:56 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.87 one way or $25.75 round trip. Estimated CO2 is about 23.1 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Kalaoa and Isolated Rain Showers then Mostly Cloudy near Wainaku.

Flight Path Map

This map shows the direct air route between Kalaoa and Wainaku. Straight-line distance: 57.68 mi (92.82 km).

Kalaoa

#1 Kalaoa

City in Hawaii County, Hawaii, United States of America

Population9,644
Coordinates19.7286100, -155.9816700
Altitude477
CountryUnited States
Wainaku

#2 Wainaku

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

Population1,224
Coordinates19.7447200, -155.0950000
Altitude78
CountryUnited States
Start: Kalaoa (-155.98167, 19.72861)
End: Wainaku (-155.095, 19.74472)

Estimated Travel Time

Distance: 119 km by road

SpeedTime
30 mph (48.3 km/h)02h 27m
40 mph (64.37 km/h)01h 50m
50 mph (80.47 km/h)01h 28m
60 mph (96.56 km/h)01h 13m
70 mph (112.65 km/h)01h 03m
80 mph (129 km/h)00h 55m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.6 gal
9.84 L · about $12.87
Round trip
$25.75
5.2 gal · 19.68 L
Estimated CO2
23.1 kg one way
Round trip: 46.2 kg / 102 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $12.87 $25.75
Mid-grade $5.34 $13.88 $27.76
Premium $5.57 $14.47 $28.94
Diesel $6.37 $16.55 $33.10

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 Kalaoa and Wainaku. The current time is 06:56:46.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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