How far is Wailua, HI from ‘Aiea, HI?
The estimated driving distance from Wailua, HI to ‘Aiea, HI is about 126.7 miles (203.9 km), with a travel time of about 02h 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 101.3 miles (163.1 km).
- For a round trip, plan for roughly 05h 16m 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 38m.
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.
Scattered Rain Showers
Isolated Rain Showers then Mostly Sunny
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 Wailua and ‘Aiea.
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.
Scattered Rain Showers leaving Wailua and Isolated Rain Showers then Mostly Sunny near ‘Aiea.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Wailua to ‘Aiea?
The road trip is about 126.7 miles (203.9 km) and usually takes 02h 38m 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 50.6 miles from Wailua and 76 miles from ‘Aiea.
How much longer is the road route than the straight-line distance?
The direct path is about 101.3 miles (163.1 km), while the road route adds roughly 25.4 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 8:00 AM to 10:00 AM HST. If you want a more comfortable same-day return, try to leave by 1:14 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $22.13 one way or $44.26 round trip. Estimated CO2 is about 39.7 kg one way.
What should you check before leaving?
Before you leave, expect Scattered Rain Showers around Wailua and Isolated Rain Showers then Mostly Sunny near ‘Aiea.
Flight Path Map
This map shows the direct air route between Wailua and ‘Aiea. Straight-line distance: 101.34 mi (163.09 km).
#1 Wailua
City in Kauai County, Hawaii, United States of America
| Population | 2,254 |
| Coordinates | 22.0527100, -159.3378100 |
| Altitude | 6 |
| Country | United States |
#2 ‘Aiea
Census-designated place in Honolulu County, Hawaii, United States
| Population | 9,019 |
| Coordinates | 21.3822200, -157.9336100 |
| Altitude | 30 |
| Country | United States |
End: ‘Aiea (-157.93361, 21.38222)
Estimated Travel Time
Distance: 204 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 04h 13m |
| 40 mph (64.37 km/h) | 03h 10m |
| 50 mph (80.47 km/h) | 02h 32m |
| 60 mph (96.56 km/h) | 02h 06m |
| 70 mph (112.65 km/h) | 01h 48m |
| 80 mph (129 km/h) | 01h 34m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $22.13 | $44.26 |
| Mid-grade | $5.34 | $23.86 | $47.72 |
| Premium | $5.57 | $24.88 | $49.76 |
| Diesel | $6.37 | $28.46 | $56.91 |
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 26, 2026