How far is ‘Aiea, HI from Kalāheo, HI?
The estimated driving distance from ‘Aiea, HI to Kalāheo, HI is about 136.2 miles (219.2 km), with a travel time of about 02h 49m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 108.9 miles (175.3 km).
- For a round trip, plan for roughly 05h 39m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 8:00 AM to 10:00 AM HST.
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.
This route works well as a day trip with time at the destination.
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 02h 49m.
A morning start gives you useful time at the destination and keeps the return out of the late evening.
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.
Isolated Rain Showers then Mostly Sunny
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 ‘Aiea and Kalāheo.
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Isolated Rain Showers then Mostly Sunny leaving ‘Aiea and Isolated Rain Showers near Kalāheo.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from ‘Aiea to Kalāheo?
The road trip is about 136.2 miles (219.2 km) and usually takes 02h 49m 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?
Mākaha is a useful midpoint, sitting about 54.5 miles from ‘Aiea and 81.7 miles from Kalāheo.
How much longer is the road route than the straight-line distance?
The direct path is about 108.9 miles (175.3 km), while the road route adds roughly 27.3 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 12:50 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $23.81 one way or $47.63 round trip. Estimated CO2 is about 42.7 kg one way.
What should you check before leaving?
Before you leave, expect Isolated Rain Showers then Mostly Sunny around ‘Aiea and Isolated Rain Showers near Kalāheo.
Flight Path Map
This map shows the direct air route between ‘Aiea and Kalāheo. Straight-line distance: 108.95 mi (175.34 km).
#1 ‘Aiea
Census-designated place in Honolulu County, Hawaii, United States
| Population | 9,019 |
| Coordinates | 21.3822200, -157.9336100 |
| Altitude | 30 |
| Country | United States |
#2 Kalāheo
City in Kauai County, Hawaii, United States of America
| Population | 4,595 |
| Coordinates | 21.9241600, -159.5268600 |
| Altitude | 216 |
| Country | United States |
End: Kalāheo (-159.52686, 21.92416)
Estimated Travel Time
Distance: 219 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 32m |
| 40 mph (64.37 km/h) | 03h 24m |
| 50 mph (80.47 km/h) | 02h 43m |
| 60 mph (96.56 km/h) | 02h 16m |
| 70 mph (112.65 km/h) | 01h 56m |
| 80 mph (129 km/h) | 01h 41m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $23.81 | $47.63 |
| Mid-grade | $5.34 | $25.68 | $51.35 |
| Premium | $5.57 | $26.77 | $53.54 |
| Diesel | $6.37 | $30.62 | $61.24 |
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 · May 25, 2026