How far is Kapa‘a, HI from Kailua-Kona, HI?
The estimated driving distance from Kapa‘a, HI to Kailua-Kona, HI is about 321.5 miles (517.4 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 272.5 miles (438.5 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.
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 38m.
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.
Scattered Rain Showers
Cloudy
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 Kapa‘a and Kailua-Kona.
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.
Scattered Rain Showers leaving Kapa‘a and Cloudy near Kailua-Kona.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Kapa‘a to Kailua-Kona?
The road trip is about 321.5 miles (517.4 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 136.2 miles from Kapa‘a and 185.3 miles from Kailua-Kona.
How much longer is the road route than the straight-line distance?
The direct path is about 272.5 miles (438.5 km), while the road route adds roughly 49 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 Scattered Rain Showers around Kapa‘a and Cloudy near Kailua-Kona.
Flight Path Map
This map shows the direct air route between Kapa‘a and Kailua-Kona. Straight-line distance: 272.47 mi (438.5 km).
#1 Kapa‘a
Unincorporated census-designated place (CDP) in Kauaʻi County, Hawaiʻi, United States
| Population | 10,699 |
| Coordinates | 22.0752100, -159.3189500 |
| Altitude | 6 |
| Country | United States |
#2 Kailua-Kona
Census designated place in Hawaii County, Hawaii, United States
| Population | 11,975 |
| Coordinates | 19.6401600, -155.9991200 |
| Altitude | 16 |
| Country | United States |
End: Kailua-Kona (-155.99912, 19.64016)
Estimated Travel Time
Distance: 517 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 10h 42m |
| 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.
| Fuel | $/gal | One way | Round 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.
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