How far is Hilo, HI from Waimea, HI?

The estimated driving distance from Hilo, HI to Waimea, HI is about 393.2 miles (632.8 km), with a travel time of about 06h 53m by car.

  • This page is using an estimated road distance while the full route geometry is refreshed.
  • The straight-line flight distance is about 333.2 miles (536.3 km).
  • For a round trip, plan for roughly 13h 47m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 6:00 AM to 7:30 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
393.23 mi
06h 53m · estimated
Flight
333.24 mi
536.3 km direct

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

Learn Distance

Choose another destination from Hilo.

Flight Distance

Direct air line
333.24 mi
Kilometers
536.3 km
Flight Time
00h 40m

Driving Distance

Estimated road route
393.23 mi
Estimated
Kilometers
632.84 km
Drive Time
06h 53m

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 06h 53m.

Arrival Snapshot
Arrive in Waimea
Mon, Oct 19, 3:32 PM HST
Return by in Hilo
Mon, Oct 19, 10:26 PM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Hilo
2026-10-19T08:38
Arrive Waimea
Mon, Oct 19, 3:32 PM HST
Route Timing
06h 53m
One way by road
Best Departure Window
6:00 AM to 7:30 AM HST
Treat this as a longer travel day
Arrive between
12:54 PM to 2:24 PM HST

Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

Leave by
10:12 PM HST
Keeps a same-day return open with about 08h 00m at the destination.
Back in Hilo
8:00 PM HST
Overnight-style route

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.

Mid-route stop
Kaunakakai
HI

Census designated place

From Hilo
166.7 mi
03h 26m
To Waimea
226.6 mi
03h 26m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
78°F
Monday

Chance Rain Showers

Starts
Mon, Oct 19 6:00 AM HST
Wind
8 mph NE
Destination
Waimea Weather
HI
Live fallback forecast
74°F
Overnight
Using Hanapēpē Heights as the closest live forecast in the Kauai County weather hub.

Isolated Rain Showers

Starts
Mon, Oct 19 1:00 AM HST
Wind
15 mph E

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 Waimea.

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

Better with a longer stop

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

Drive Time
06h 53m
Overnight route
Same-Day Return
13h 48m
Round-trip wheel time
Road vs Air
+60 mi
333.2 mi direct line
Halfway Stop
Kaunakakai
03h 26m from Hilo
Leave By
10:12 PM HST
Overnight-style route
Weather Watch

Chance Rain Showers leaving Hilo and Isolated Rain Showers near Waimea.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Hilo to Waimea?

The road trip is about 393.2 miles (632.8 km) and usually takes 06h 53m in normal driving conditions.

Is this a same-day trip or an overnight route?

This route is long enough that most travelers will be better off planning an overnight stay or a more deliberate stop window.

What is the halfway point on this route?

Kaunakakai is a useful midpoint, sitting about 166.7 miles from Hilo and 226.6 miles from Waimea.

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

The direct path is about 333.2 miles (536.3 km), while the road route adds roughly 60 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 7:30 AM HST. Starting early still helps, but most travelers will want a longer stop or an overnight stay on a route this long.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $78.27 one way or $156.54 round trip. Estimated CO2 is about 123.4 kg one way.

What should you check before leaving?

Before you leave, expect Chance Rain Showers around Hilo and Isolated Rain Showers near Waimea.

Flight Path Map

This map shows the direct air route between Hilo and Waimea. Straight-line distance: 333.24 mi (536.3 km).

Hilo

#1 Hilo

Census-designated place in Hawaii, United States

Population43,263
Coordinates19.7299100, -155.0907300
Altitude18
CountryUnited States
Waimea

#2 Waimea

Census-designated place in Hawaii County, Hawaii, United States

Population11,687
Coordinates21.9570700, -159.6689300
Altitude7
CountryUnited States
Start: Hilo (-155.09073, 19.72991)
End: Waimea (-159.66893, 21.95707)

Estimated Travel Time

Distance: 633 km by road

SpeedTime
30 mph (48.3 km/h)13h 06m
40 mph (64.37 km/h)09h 49m
50 mph (80.47 km/h)07h 51m
60 mph (96.56 km/h)06h 33m
70 mph (112.65 km/h)05h 37m
80 mph (129 km/h)04h 54m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
13.88 gal
52.53 L · about $78.27
Round trip
$156.54
27.76 gal · 105.06 L
Estimated CO2
123.4 kg one way
Round trip: 246.7 kg / 544 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $5.64 $78.27 $156.54
Mid-grade $5.89 $81.68 $163.37
Premium $6.12 $84.96 $169.92
Diesel $7.24 $100.52 $201.04

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 · Oct 19, 2026

There is no time difference between Hilo and Waimea. The current time is 08:38:59.

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.