How far is Kalaoa, HI from ‘Ōma‘o, HI?

The estimated driving distance from Kalaoa, HI to ‘Ōma‘o, HI is about 321.7 miles (517.7 km), with a travel time of about 05h 38m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 272.6 miles (438.7 km).
  • For a round trip, plan for roughly 11h 16m 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
321.67 mi
05h 38m · estimated
Flight
272.6 mi
438.71 km direct

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

Learn Distance

Choose another destination from Kalaoa.

Flight Distance

Direct air line
272.6 mi
Kilometers
438.71 km
Flight Time
00h 32m

Driving Distance

Estimated road route
321.67 mi
Estimated
Kilometers
517.68 km
Drive Time
05h 38m

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 05h 38m.

Arrival Snapshot
Arrive in ‘Ōma‘o
Sun, Apr 19, 12:33 PM HST
Return by in Kalaoa
Sun, Apr 19, 6:12 PM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Kalaoa
2026-04-19T06:55
Arrive ‘Ōma‘o
Sun, Apr 19, 12:33 PM HST
Route Timing
05h 38m
One way by road
Best Departure Window
6:00 AM to 8:00 AM HST
Leave early for more breathing room
Arrive between
11:38 AM to 1:38 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
5:44 AM HST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Kalaoa
9:00 PM HST
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
East Honolulu
HI

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

From Kalaoa
136.3 mi
02h 49m
To ‘Ōma‘o
185.4 mi
02h 49m

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
82°F
Sunday

Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
5 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 Kalaoa and ‘Ōma‘o.

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
05h 38m
Long day trip
Same-Day Return
11h 16m
Round-trip wheel time
Road vs Air
+49.1 mi
272.6 mi direct line
Halfway Stop
East Honolulu
02h 49m from Kalaoa
Leave By
5:44 AM HST
Early departure recommended
Weather Watch

Slight Chance Rain Showers leaving Kalaoa and Slight Chance Rain Showers near ‘Ōma‘o.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Kalaoa to ‘Ōma‘o?

The road trip is about 321.7 miles (517.7 km) and usually takes 05h 38m 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?

East Honolulu is a useful midpoint, sitting about 136.3 miles from Kalaoa and 185.4 miles from ‘Ōma‘o.

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

The direct path is about 272.6 miles (438.7 km), while the road route adds roughly 49.1 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 5:44 AM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $56.19 one way or $112.39 round trip. Estimated CO2 is about 100.9 kg one way.

What should you check before leaving?

Before you leave, expect Slight Chance Rain Showers around Kalaoa and Slight Chance Rain Showers near ‘Ōma‘o.

Flight Path Map

This map shows the direct air route between Kalaoa and ‘Ōma‘o. Straight-line distance: 272.6 mi (438.71 km).

Kalaoa

#1 Kalaoa

City in Hawaii County, Hawaii, United States of America

Population9,644
Coordinates19.7286100, -155.9816700
Altitude477
CountryUnited States
‘Ōma‘o

#2 ‘Ōma‘o

City in Kauai County, Hawaii, United States of America

Population1,301
Coordinates21.9258100, -159.4881800
Altitude138
CountryUnited States
Start: Kalaoa (-155.98167, 19.72861)
End: ‘Ōma‘o (-159.48818, 21.92581)

Estimated Travel Time

Distance: 518 km by road

SpeedTime
30 mph (48.3 km/h)10h 43m
40 mph (64.37 km/h)08h 02m
50 mph (80.47 km/h)06h 25m
60 mph (96.56 km/h)05h 21m
70 mph (112.65 km/h)04h 35m
80 mph (129 km/h)04h 00m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
11.35 gal
42.97 L · about $56.19
Round trip
$112.39
22.7 gal · 85.94 L
Estimated CO2
100.9 kg one way
Round trip: 201.7 kg / 445 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $56.19 $112.39
Mid-grade $5.34 $60.59 $121.17
Premium $5.57 $63.17 $126.35
Diesel $6.37 $72.25 $144.51

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 Kalaoa and ‘Ōma‘o. The current time is 06:55:18.

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.