How far is Kalaoa, HI from Fern Acres, HI?
The driving distance from Kalaoa, HI to Fern Acres, HI is about 85.9 miles (138.2 km), with a travel time of about 02h 06m by car.
- The straight-line flight distance is about 60.5 miles (97.4 km).
- For a round trip, plan for roughly 04h 13m 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 06m.
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.
Slight Chance Rain Showers
Partly Sunny then Slight Chance Rain Showers
Driving Route Map
The map below follows the saved road route between Kalaoa and Fern Acres.
Turn-by-Turn Driving Directions
Step-by-step road directions between Kalaoa and Fern Acres.
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1
Start on Mahilani Drive
1115 ft · 55 sec · Mahilani Drive
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2
At the end of the road, turn left onto Mamalahoa Highway
18.6 mi · 28 min · Mamalahoa Highway
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3
Turn slight right
80 m · 6 sec
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4
Turn straight onto Daniel K. Inouye Highway
45.4 mi · 1 hr · Daniel K. Inouye Highway
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5
Continue on Puainako Street
4.4 mi · 6 min · Puainako Street
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6
At the end of the road, turn right onto Komohana Street
68 m · 12 sec · Komohana Street
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7
Turn left onto West Puainako Street
1.6 mi · 3 min · West Puainako Street
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8
Turn right onto Kanoelehua Avenue
1.9 mi · 3 min · Kanoelehua Avenue
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9
Continue on Mamalahoa Highway
4 mi · 5 min · Mamalahoa Highway
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10
Continue on Volcano Road
5.7 mi · 9 min · Volcano Road
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11
Turn left onto South Kulani Road
1.6 km · 2 min · South Kulani Road
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12
Continue on Puhala Street
1.5 km · 3 min · Puhala Street
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13
Turn left onto Hibiscus Street
2 mi · 6 min · Hibiscus Street
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14
Arrive at your destination
0 m · 1 sec · Hibiscus Street
Car Route Details
A richer read on the saved driving route between Kalaoa and Fern Acres.
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
Turn straight onto 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.
Slight Chance Rain Showers leaving Kalaoa 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 Kalaoa to Fern Acres?
The road trip is about 85.9 miles (138.2 km) and usually takes 02h 06m 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 42.9 miles from Kalaoa and 42.9 miles from Fern Acres.
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 25.4 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 2:16 PM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $15.00 one way or $30.00 round trip. Estimated CO2 is about 26.9 kg one way.
What should you check before leaving?
Before you leave, expect Slight Chance Rain Showers around Kalaoa and Partly Sunny then Slight Chance Rain Showers near Fern Acres.
Flight Path Map
This map shows the direct air route between Kalaoa and Fern Acres. Straight-line distance: 60.54 mi (97.43 km).
#1 Kalaoa
City in Hawaii County, Hawaii, United States of America
| Population | 9,644 |
| Coordinates | 19.7286100, -155.9816700 |
| Altitude | 477 |
| 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: 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 | $15.00 | $30.00 |
| Mid-grade | $5.34 | $16.17 | $32.35 |
| Premium | $5.57 | $16.86 | $33.73 |
| Diesel | $6.37 | $19.29 | $38.58 |
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.