How far is Hālawa Heights, HI from Fern Acres, HI?

The estimated driving distance from Hālawa Heights, HI to Fern Acres, HI is about 264.6 miles (425.8 km), with a travel time of about 04h 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 224.3 miles (360.9 km).
  • For a round trip, plan for roughly 09h 16m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 8:00 AM HST.
Road route is being refreshed. This page currently uses an estimated driving distance until a routing provider returns the full road geometry.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
264.59 mi
04h 38m · estimated
Flight
224.22 mi
360.85 km direct

This drive is better planned with a longer stop or an overnight stay.

Learn Distance

Choose another destination from Hālawa Heights.

Flight Distance

Direct air line
224.22 mi
Kilometers
360.85 km
Flight Time
00h 27m

Driving Distance

Estimated road route
264.59 mi
Estimated
Kilometers
425.81 km
Drive Time
04h 38m

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 38m.

Arrival Snapshot
Arrive in Fern Acres
Sun, Apr 19, 11:36 AM HST
Return by in Hālawa Heights
Sun, Apr 19, 4:14 PM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Hālawa Heights
2026-04-19T06:57
Arrive Fern Acres
Sun, Apr 19, 11:36 AM HST
Route Timing
04h 38m
One way by road
Best Departure Window
6:00 AM to 8:00 AM HST
Leave early for more breathing room
Arrive between
10:38 AM to 12:38 PM HST

An early departure helps you fit a real stop into the day without turning the return into a late-night drive.

Leave by
7:44 AM HST
Keeps a same-day return open with about 04h 00m at the destination.
Back in Hālawa Heights
9:00 PM HST
Early departure recommended

This departure sits inside the recommended comfort window for the route.

Halfway Point

A useful midpoint for breaks, coffee, or meeting in the middle.

Mid-route stop
Wailea
HI

City in Maui County, Hawaii, United States of America

From Hālawa Heights
112.1 mi
02h 19m
To Fern Acres
152.5 mi
02h 19m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
72°F
Overnight

Mostly Cloudy

Starts
Sun, Apr 19 5:00 AM HST
Wind
5 mph E
Destination
73°F
Sunday

Partly Sunny then Slight Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
8 mph ENE

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 Hālawa Heights and Fern Acres.

Turn-by-turn directions will appear after the road route is refreshed. The current distance is an estimate.

Route Summary

A quick read on whether this route feels easy, ambitious, or worth planning around.

Trip Read

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.

Drive Time
04h 38m
Long day trip
Same-Day Return
09h 16m
Round-trip wheel time
Road vs Air
+40.3 mi
224.3 mi direct line
Halfway Stop
Wailea
02h 19m from Hālawa Heights
Leave By
7:44 AM HST
Early departure recommended
Weather Watch

Mostly Cloudy leaving Hālawa Heights 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 Hālawa Heights to Fern Acres?

The road trip is about 264.6 miles (425.8 km) and usually takes 04h 38m 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 112.1 miles from Hālawa Heights and 152.5 miles from Fern Acres.

How much longer is the road route than the straight-line distance?

The direct path is about 224.3 miles (360.9 km), while the road route adds roughly 40.3 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 7:44 AM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $46.24 one way or $92.48 round trip. Estimated CO2 is about 83 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy around Hālawa Heights and Partly Sunny then Slight Chance Rain Showers near Fern Acres.

Flight Path Map

This map shows the direct air route between Hālawa Heights and Fern Acres. Straight-line distance: 224.22 mi (360.85 km).

Photo coming soon

#1 Hālawa Heights

Neighborhood of Halawa, Hawaii, United States

Population13,408
Coordinates21.3784800, -157.9138800
Altitude72
CountryUnited States
Fern Acres

#2 Fern Acres

City in Hawaii County, Hawaii, United States of America

Population1,504
Coordinates19.5122200, -155.0802800
Altitude467
CountryUnited States
Start: Hālawa Heights (-157.91388, 21.37848)
End: Fern Acres (-155.08028, 19.51222)

Estimated Travel Time

Distance: 426 km by road

SpeedTime
30 mph (48.3 km/h)08h 48m
40 mph (64.37 km/h)06h 36m
50 mph (80.47 km/h)05h 17m
60 mph (96.56 km/h)04h 24m
70 mph (112.65 km/h)03h 46m
80 mph (129 km/h)03h 18m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
9.34 gal
35.34 L · about $46.24
Round trip
$92.48
18.68 gal · 70.68 L
Estimated CO2
83 kg one way
Round trip: 166 kg / 366 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $46.24 $92.48
Mid-grade $5.34 $49.86 $99.71
Premium $5.57 $51.99 $103.97
Diesel $6.37 $59.46 $118.92

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 · Apr 19, 2026

There is no time difference between Hālawa Heights and Fern Acres. The current time is 06:57:52.

Distance to Other Cities

How did we calculate? Place names are translated into coordinates. The Haversine formula calculates straight-line distance; driving distance uses road network data.