How far is Wainaku, HI from Kapa‘a, HI?
The estimated driving distance from Wainaku, HI to Kapa‘a, HI is about 373.6 miles (601.2 km), with a travel time of about 06h 32m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 316.6 miles (509.5 km).
- For a round trip, plan for roughly 13h 05m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 7:30 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 06h 32m.
Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
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
Route Weather Snapshot
Check the forecast at both ends before you head out.
Isolated Rain Showers then Mostly Cloudy
Chance 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 Wainaku and Kapa‘a.
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
Better with a longer stop
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
Isolated Rain Showers then Mostly Cloudy leaving Wainaku and Chance Rain Showers near Kapa‘a.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Wainaku to Kapa‘a?
The road trip is about 373.6 miles (601.2 km) and usually takes 06h 32m in normal driving conditions.
Is this a same-day trip or an overnight route?
This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.
What is the halfway point on this route?
Kaunakakai is a useful midpoint, sitting about 158.3 miles from Wainaku and 215.3 miles from Kapa‘a.
How much longer is the road route than the straight-line distance?
The direct path is about 316.6 miles (509.5 km), while the road route adds roughly 57 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 7:30 AM HST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $65.25 one way or $130.51 round trip. Estimated CO2 is about 117.1 kg one way.
What should you check before leaving?
Before you leave, expect Isolated Rain Showers then Mostly Cloudy around Wainaku and Chance Rain Showers near Kapa‘a.
Flight Path Map
This map shows the direct air route between Wainaku and Kapa‘a. Straight-line distance: 316.59 mi (509.51 km).
#1 Wainaku
Census-designated place in Hawaiʻi County, Hawaiʻi, United States
| Population | 1,224 |
| Coordinates | 19.7447200, -155.0950000 |
| Altitude | 78 |
| Country | United States |
#2 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 |
End: Kapa‘a (-159.31895, 22.07521)
Estimated Travel Time
Distance: 601 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 12h 26m |
| 40 mph (64.37 km/h) | 09h 20m |
| 50 mph (80.47 km/h) | 07h 28m |
| 60 mph (96.56 km/h) | 06h 13m |
| 70 mph (112.65 km/h) | 05h 20m |
| 80 mph (129 km/h) | 04h 39m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $65.25 | $130.51 |
| Mid-grade | $5.34 | $70.35 | $140.71 |
| Premium | $5.57 | $73.36 | $146.72 |
| Diesel | $6.37 | $83.90 | $167.81 |
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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