How far is Hilo, HI from Honolulu, HI?
The estimated driving distance from Hilo, HI to Honolulu, HI is about 262 miles (421.7 km), with a travel time of about 04h 35m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 209.7 miles (337.4 km).
- For a round trip, plan for roughly 09h 11m 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 04h 35m.
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.
City in Maui County, Hawaii, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
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 Hilo and Honolulu.
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 leaving Hilo and Mostly Sunny near Honolulu.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Hilo to Honolulu?
The road trip is about 262 miles (421.7 km) and usually takes 04h 35m 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?
Wailea is a useful midpoint, sitting about 104.8 miles from Hilo and 157.2 miles from Honolulu.
How much longer is the road route than the straight-line distance?
The direct path is about 209.7 miles (337.4 km), while the road route adds roughly 52.3 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 6:00 AM to 8:00 AM HST. If you want a more comfortable same-day return, try to leave by 7:48 AM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.80 one way or $91.59 round trip. Estimated CO2 is about 82.2 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Sunny around Hilo and Mostly Sunny near Honolulu.
Flight Path Map
This map shows the direct air route between Hilo and Honolulu. Straight-line distance: 209.63 mi (337.36 km).
#1 Hilo
Census-designated place in Hawaii, United States
| Population | 43,263 |
| Coordinates | 19.7299100, -155.0907300 |
| Altitude | 18 |
| Country | United States |
#2 Honolulu
The most populous city in Hawaii and the center of the Honolulu metropolitan area.
| Population | 371,657 |
| Coordinates | 21.3069400, -157.8583300 |
| Altitude | 5 |
| Country | United States |
End: Honolulu (-157.85833, 21.30694)
Estimated Travel Time
Distance: 422 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 43m |
| 40 mph (64.37 km/h) | 06h 33m |
| 50 mph (80.47 km/h) | 05h 14m |
| 60 mph (96.56 km/h) | 04h 22m |
| 70 mph (112.65 km/h) | 03h 44m |
| 80 mph (129 km/h) | 03h 16m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $45.80 | $91.59 |
| Mid-grade | $5.34 | $49.38 | $98.75 |
| Premium | $5.57 | $51.49 | $102.97 |
| Diesel | $6.37 | $58.89 | $117.77 |
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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