How far is Kalāheo, HI from Kalaoa, HI?
The estimated driving distance from Kalāheo, HI to Kalaoa, HI is about 324 miles (521.5 km), with a travel time of about 05h 40m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 274.6 miles (442 km).
- For a round trip, plan for roughly 11h 21m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM HST.
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.
This drive is better planned with a longer stop or an overnight stay.
Flight Distance
Driving Distance
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 40m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
Census-designated place in Honolulu County, Hawaii, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Mostly Sunny then Isolated Rain Showers
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 Kalāheo and Kalaoa.
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Mostly Sunny then Isolated Rain Showers leaving Kalāheo and Sunny near Kalaoa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kalāheo to Kalaoa?
The road trip is about 324 miles (521.5 km) and usually takes 05h 40m 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 137.3 miles from Kalāheo and 186.7 miles from Kalaoa.
How much longer is the road route than the straight-line distance?
The direct path is about 274.6 miles (442 km), while the road route adds roughly 49.4 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 5:38 AM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $56.64 one way or $113.28 round trip. Estimated CO2 is about 101.7 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny then Isolated Rain Showers around Kalāheo and Sunny near Kalaoa.
Flight Path Map
This map shows the direct air route between Kalāheo and Kalaoa. Straight-line distance: 274.62 mi (441.96 km).
#1 Kalāheo
City in Kauai County, Hawaii, United States of America
| Population | 4,595 |
| Coordinates | 21.9241600, -159.5268600 |
| Altitude | 216 |
| Country | United States |
#2 Kalaoa
City in Hawaii County, Hawaii, United States of America
| Population | 9,644 |
| Coordinates | 19.7286100, -155.9816700 |
| Altitude | 477 |
| Country | United States |
End: Kalaoa (-155.98167, 19.72861)
Estimated Travel Time
Distance: 522 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 47m |
| 40 mph (64.37 km/h) | 08h 06m |
| 50 mph (80.47 km/h) | 06h 28m |
| 60 mph (96.56 km/h) | 05h 24m |
| 70 mph (112.65 km/h) | 04h 37m |
| 80 mph (129 km/h) | 04h 02m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $56.64 | $113.28 |
| Mid-grade | $5.34 | $61.07 | $122.13 |
| Premium | $5.57 | $63.68 | $127.35 |
| Diesel | $6.37 | $72.83 | $145.65 |
Assumes 8.3 L/100 km (about 28.3 MPG). CO2 is an estimate and varies by vehicle, fuel blend, traffic, and terrain.
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