How far is Honolulu, HI from Fern Acres, HI?
The estimated driving distance from Honolulu, HI to Fern Acres, HI is about 257.8 miles (414.9 km), with a travel time of about 04h 31m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 218.5 miles (351.6 km).
- For a round trip, plan for roughly 09h 02m 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 31m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
This departure sits inside the recommended comfort window for the route.
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.
Partly Sunny then Slight 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 Honolulu and Fern Acres.
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 Cloudy leaving Honolulu and Partly Sunny then Slight Chance Rain Showers near Fern Acres.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Honolulu to Fern Acres?
The road trip is about 257.8 miles (414.9 km) and usually takes 04h 31m 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 109.2 miles from Honolulu and 148.6 miles from Fern Acres.
How much longer is the road route than the straight-line distance?
The direct path is about 218.5 miles (351.6 km), while the road route adds roughly 39.3 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 7:58 AM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $45.05 one way or $90.11 round trip. Estimated CO2 is about 80.9 kg one way.
What should you check before leaving?
Before you leave, expect Mostly Cloudy around Honolulu and Partly Sunny then Slight Chance Rain Showers near Fern Acres.
Flight Path Map
This map shows the direct air route between Honolulu and Fern Acres. Straight-line distance: 218.48 mi (351.61 km).
#1 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 |
#2 Fern Acres
City in Hawaii County, Hawaii, United States of America
| Population | 1,504 |
| Coordinates | 19.5122200, -155.0802800 |
| Altitude | 467 |
| Country | United States |
End: Fern Acres (-155.08028, 19.51222)
Estimated Travel Time
Distance: 415 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 08h 35m |
| 40 mph (64.37 km/h) | 06h 26m |
| 50 mph (80.47 km/h) | 05h 09m |
| 60 mph (96.56 km/h) | 04h 17m |
| 70 mph (112.65 km/h) | 03h 40m |
| 80 mph (129 km/h) | 03h 12m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $45.05 | $90.11 |
| Mid-grade | $5.34 | $48.58 | $97.15 |
| Premium | $5.57 | $50.65 | $101.30 |
| Diesel | $6.37 | $57.93 | $115.86 |
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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