How far is Wainaku, HI from Kalaoa, HI?

The driving distance from Wainaku, HI to Kalaoa, HI is about 73.4 miles (118.1 km), with a travel time of about 01h 28m by car.

  • The straight-line flight distance is about 57.7 miles (92.8 km).
  • For a round trip, plan for roughly 02h 56m 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
73.39 mi
01h 28m
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 Wainaku.

Flight Distance

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

Driving Distance

Road route
73.39 mi
Kilometers
118.11 km
Drive Time
01h 28m

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 28m.

Arrival Snapshot
Arrive in Kalaoa
Sun, Apr 19, 7:04 AM HST
Return by in Wainaku
Sun, Apr 19, 8:32 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Wainaku
2026-04-19T05:36
Arrive Kalaoa
Sun, Apr 19, 7:04 AM HST
Route Timing
01h 28m
One way by road
Best Departure Window
8:00 AM to 10:00 AM HST
Aim for a morning departure
Arrive between
9:28 AM to 11:28 AM HST

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

Leave by
3:34 PM HST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Wainaku
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 Wainaku
36.8 mi
00h 44m
To Kalaoa
36.5 mi
00h 44m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
79°F
Sunday

Isolated Rain Showers then Mostly Cloudy

Starts
Sun, Apr 19 6:00 AM HST
Wind
3 to 7 mph ESE
Destination
83°F
Sunday

Slight Chance Rain Showers

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

Driving Route Map

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

Turn-by-Turn Driving Directions

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

  1. 1

    Start on the route

    48 m · 9 sec

  2. 2

    Turn right onto Kulana Kea Drive

    1587 ft · 2 min · Kulana Kea Drive

  3. 3

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

    815 ft · 39 sec · Wainaku Street

  4. 4

    Turn right onto Mamalahoa Highway

    1.2 km · 1 min · Mamalahoa Highway

  5. 5

    Continue on Bayfront Highway

    1.4 km · 2 min · Bayfront Highway

  6. 6

    Turn slight right

    113 m · 16 sec

  7. 7

    Turn right onto Waianuenue Avenue

    979 ft · 43 sec · Waianuenue Avenue

  8. 8

    Turn left onto Kinoʻole Street

    1946 ft · 59 sec · Kinoʻole Street

  9. 9

    Turn right onto Ponahawai Street

    1.4 km · 2 min · Ponahawai Street

  10. 10

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

    1.4 mi · 3 min · Komohana Street

  11. 11

    Turn right onto Puainako Street

    4.4 mi · 6 min · Puainako Street

  12. 12

    Continue on Daniel K. Inouye Highway

    45.4 mi · 1 hr · Daniel K. Inouye Highway

  13. 13

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

    18.7 mi · 28 min · Mamalahoa Highway

  14. 14

    Turn right onto Mahilani Drive

    1115 ft · 49 sec · Mahilani Drive

  15. 15

    Arrive at your destination

    0 m · 1 sec · Mahilani Drive

Car Route Details

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

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
15 steps
11 turns on the saved route
Ramps & Exits
0
0 merges, 0 ramps or exits
Navigation Density
20.4 / 100 mi
Decision points by distance
Main Roads
Daniel K. Inouye Highway
45.4 mi · 62%
Mamalahoa Highway
19.4 mi · 26%
Puainako Street
4.41 mi · 6%
Komohana Street
1.43 mi · 2%
Ponahawai Street
0.87 mi · 1%
Bayfront Highway
0.86 mi · 1%
Longest Stretch

Daniel K. Inouye Highway

Continue on 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 28m
Day trip friendly
Same-Day Return
02h 56m
Round-trip wheel time
Road vs Air
+15.7 mi
57.7 mi direct line
Halfway Stop
Waimea
00h 44m from Wainaku
Leave By
3:34 PM HST
Morning start is best
Weather Watch

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

Trip Questions

Direct answers travelers usually want before committing to the drive.

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

The road trip is about 73.4 miles (118.1 km) and usually takes 01h 28m 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 Wainaku and 36.5 miles from Kalaoa.

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 15.7 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 3:34 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $12.82 one way or $25.65 round trip. Estimated CO2 is about 23 kg one way.

What should you check before leaving?

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

Flight Path Map

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

Wainaku

#1 Wainaku

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

Population1,224
Coordinates19.7447200, -155.0950000
Altitude78
CountryUnited States
Kalaoa

#2 Kalaoa

City in Hawaii County, Hawaii, United States of America

Population9,644
Coordinates19.7286100, -155.9816700
Altitude477
CountryUnited States
Start: (-155.095158, 19.744728)
End: Mahilani Drive (-155.981618, 19.728248)

Estimated Travel Time

Distance: 118 km by road

SpeedTime
30 mph (48.3 km/h)02h 26m
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 02m
80 mph (129 km/h)00h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
2.59 gal
9.8 L · about $12.82
Round trip
$25.65
5.18 gal · 19.6 L
Estimated CO2
23 kg one way
Round trip: 46 kg / 101 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $12.82 $25.65
Mid-grade $5.34 $13.83 $27.65
Premium $5.57 $14.42 $28.83
Diesel $6.37 $16.49 $32.98

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 Wainaku and Kalaoa. The current time is 05:36:37.

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.