How far is Fern Acres, HI from Kalaoa, HI?
The driving distance from Fern Acres, HI to Kalaoa, HI is about 86 miles (138.4 km), with a travel time of about 01h 45m by car.
- The straight-line flight distance is about 60.5 miles (97.4 km).
- For a round trip, plan for roughly 03h 31m 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 01h 45m.
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 (CDP) in Hawaii County, Hawaii, United States
Route Weather Snapshot
Check the forecast at both ends before you head out.
Partly Sunny then Slight Chance Rain Showers
Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Fern Acres and Kalaoa.
Turn-by-Turn Driving Directions
Step-by-step road directions between Fern Acres and Kalaoa.
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1
Start on Hibiscus Street
2 mi · 6 min · Hibiscus Street
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2
At the end of the road, turn right onto Puhala Street
1.5 km · 3 min · Puhala Street
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3
Continue on South Kulani Road
1.6 km · 2 min · South Kulani Road
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4
Turn right onto Volcano Road
5.7 mi · 9 min · Volcano Road
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5
Continue on Mamalahoa Highway
4.1 mi · 5 min · Mamalahoa Highway
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6
Continue on Kanoelehua Avenue
1.8 mi · 3 min · Kanoelehua Avenue
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7
Turn left onto Puainako Street
1.6 mi · 4 min · Puainako Street
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8
At the end of the road, turn right onto Komohana Street
68 m · 6 sec · Komohana Street
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9
Turn left onto Puainako Street
4.4 mi · 6 min · Puainako Street
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10
Continue on Daniel K. Inouye Highway
45.4 mi · 1 hr · Daniel K. Inouye Highway
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11
At the end of the road, turn left onto Mamalahoa Highway
18.7 mi · 28 min · Mamalahoa Highway
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12
Turn right onto Mahilani Drive
1115 ft · 49 sec · Mahilani Drive
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13
Arrive at your destination
0 m · 1 sec · Mahilani Drive
Car Route Details
A richer read on the saved driving route between Fern Acres and Kalaoa.
Highway-focused drive
Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.
Daniel K. Inouye Highway
Continue on Daniel K. Inouye Highway
45.4 mi · 01h 00m
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.
Partly Sunny then Slight Chance Rain Showers leaving Fern Acres and Slight Chance Rain Showers near Kalaoa.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Fern Acres to Kalaoa?
The road trip is about 86 miles (138.4 km) and usually takes 01h 45m 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?
Volcano is a useful midpoint, sitting about 43 miles from Fern Acres and 43 miles from Kalaoa.
How much longer is the road route than the straight-line distance?
The direct path is about 60.5 miles (97.4 km), while the road route adds roughly 25.5 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 2:58 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.05 one way or $30.10 round trip. Estimated CO2 is about 27 kg one way.
What should you check before leaving?
Before you leave, expect Partly Sunny then Slight Chance Rain Showers around Fern Acres and Slight Chance Rain Showers near Kalaoa.
Flight Path Map
This map shows the direct air route between Fern Acres and Kalaoa. Straight-line distance: 60.54 mi (97.43 km).
#1 Fern Acres
City in Hawaii County, Hawaii, United States of America
| Population | 1,504 |
| Coordinates | 19.5122200, -155.0802800 |
| Altitude | 467 |
| Country | United States |
#2 Kalaoa
City in Hawaii County, Hawaii, United States of America
| Population | 9,644 |
| Coordinates | 19.7286100, -155.9816700 |
| Altitude | 477 |
| Country | United States |
End: Mahilani Drive (-155.981618, 19.728248)
Estimated Travel Time
Distance: 138 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 02h 51m |
| 40 mph (64.37 km/h) | 02h 08m |
| 50 mph (80.47 km/h) | 01h 43m |
| 60 mph (96.56 km/h) | 01h 25m |
| 70 mph (112.65 km/h) | 01h 13m |
| 80 mph (129 km/h) | 01h 04m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $15.05 | $30.10 |
| Mid-grade | $5.34 | $16.23 | $32.46 |
| Premium | $5.57 | $16.92 | $33.84 |
| Diesel | $6.37 | $19.35 | $38.71 |
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
Distance to Other Cities
Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.