How far is Waianae, HI from He‘eia, HI?

The driving distance from Waianae, HI to He‘eia, HI is about 36.4 miles (58.6 km), with a travel time of about 01h 00m by car.

  • The straight-line flight distance is about 23.7 miles (38.2 km).
  • For a round trip, plan for roughly 02h 01m of driving time before adding stops, traffic, or weather delays.
  • A comfortable departure window is usually 8:00 AM to 10:00 AM HST.
Trip Tools

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.

Reverse Route
Quick Snapshot
Road
36.44 mi
01h 00m
Flight
23.77 mi
38.25 km direct

This route works well as a day trip with time at the destination.

Learn Distance

Choose another destination from Waianae.

Flight Distance

Direct air line
23.77 mi
Kilometers
38.25 km
Flight Time
00h 02m

Driving Distance

Road route
36.44 mi
Kilometers
58.64 km
Drive Time
01h 00m

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 00m.

Arrival Snapshot
Arrive in He‘eia
Sun, Apr 19, 6:30 AM HST
Return by in Waianae
Sun, Apr 19, 7:30 AM HST
Useful when you're deciding between a quick errand, a day trip, or a longer stop.
Leave Waianae
2026-04-19T05:29
Arrive He‘eia
Sun, Apr 19, 6:30 AM HST
Route Timing
01h 00m
One way by road
Best Departure Window
8:00 AM to 10:00 AM HST
Aim for a morning departure
Arrive between
9:01 AM to 11:01 AM HST

A morning start gives you useful time at the destination and keeps the return out of the late evening.

Leave by
4:28 PM HST
Keeps a same-day return open with about 03h 00m at the destination.
Back in Waianae
9:30 PM HST
Morning start is best

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
Waipahu
HI

Census designated place in Honolulu County, Hawaii, United States

From Waianae
18.2 mi
00h 30m
To He‘eia
18.2 mi
00h 30m

Route Weather Snapshot

Check the forecast at both ends before you head out.

Origin
Waianae Weather
HI
Live fallback forecast
81°F
Sunday
Using Mākaha as the closest live forecast in the Honolulu County weather hub.

Mostly Cloudy then Chance Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
2 mph ENE
Destination
74°F
Sunday

Scattered Rain Showers

Starts
Sun, Apr 19 6:00 AM HST
Wind
3 to 8 mph E

Driving Route Map

The map below follows the saved road route between Waianae and He‘eia.

Turn-by-Turn Driving Directions

Step-by-step road directions between Waianae and He‘eia.

  1. 1

    Start on Farrington Highway

    10.4 mi · 21 min · Farrington Highway

  2. 2

    Continue on Queen Liliʻuokalani Freeway

    12.9 mi · 17 min · Queen Liliʻuokalani Freeway

  3. 3

    Take the exit slight right toward Kaneohe, Honolulu, Aiea

    1113 ft · 21 sec

  4. 4

    Keep slight left to continue on I H3, HI 78 East: Kaneohe, Honolulu

    1.2 km · 1 min

  5. 5

    Continue on John A. Burns Freeway

    8.7 mi · 13 min · John A. Burns Freeway

  6. 6

    Take the exit slight right toward HI 63 North: Likelike Highway

    2775 ft · 2 min

  7. 7

    Merge slight left onto Likelike Highway

    2611 ft · 50 sec · Likelike Highway

  8. 8

    Take the exit slight right toward Kahekili Highway

    2756 ft · 2 min

  9. 9

    Continue on Kahekili Highway

    2 mi · 4 min · Kahekili Highway

  10. 10

    Arrive at your destination

    0 m · 1 sec · Kahekili Highway

Car Route Details

A richer read on the saved driving route between Waianae and He‘eia.

OSRM road route
Drive Character

Highway-focused drive

Most of the mileage stays on named highways, so the important moments are ramps, exits, merges, and the final local approach.

Directions
10 steps
0 turns on the saved route
Ramps & Exits
4
1 merges, 3 ramps or exits
Navigation Density
27.5 / 100 mi
Decision points by distance
Main Roads
Queen Liliʻuokalani Freeway
12.9 mi · 35%
Farrington Highway
10.4 mi · 28%
John A. Burns Freeway
8.67 mi · 24%
Kahekili Highway
2.52 mi · 7%
I H3
0.75 mi · 2%
HI 63 North
0.53 mi · 1%
Longest Stretch

Queen Liliʻuokalani Freeway

Continue on Queen Liliʻuokalani Freeway

12.9 mi · 00h 17m

Route Summary

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

Trip Read

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.

Drive Time
01h 00m
Day trip friendly
Same-Day Return
02h 02m
Round-trip wheel time
Road vs Air
+12.7 mi
23.7 mi direct line
Halfway Stop
Waipahu
00h 30m from Waianae
Leave By
4:28 PM HST
Morning start is best
Weather Watch

Mostly Cloudy then Chance Rain Showers leaving Waianae and Scattered Rain Showers near He‘eia.

Trip Questions

Direct answers travelers usually want before committing to the drive.

How long does it take to drive from Waianae to He‘eia?

The road trip is about 36.4 miles (58.6 km) and usually takes 01h 00m 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?

Waipahu is a useful midpoint, sitting about 18.2 miles from Waianae and 18.2 miles from He‘eia.

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

The direct path is about 23.7 miles (38.2 km), while the road route adds roughly 12.7 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 4:28 PM HST.

How much will gas cost for this route?

Using about 28.3 MPG, regular gas is estimated at $6.39 one way or $12.77 round trip. Estimated CO2 is about 11.5 kg one way.

What should you check before leaving?

Before you leave, expect Mostly Cloudy then Chance Rain Showers around Waianae and Scattered Rain Showers near He‘eia.

Flight Path Map

This map shows the direct air route between Waianae and He‘eia. Straight-line distance: 23.77 mi (38.25 km).

Photo coming soon

#1 Waianae

Census designated place in Honolulu County, Hawaii, United States

Population13,177
Coordinates21.4378500, -158.1855500
Altitude5
CountryUnited States
He‘eia

#2 He‘eia

Census-designated place in Honolulu County, Hawaii, United States of America

Population4,963
Coordinates21.4305400, -157.8161100
Altitude28
CountryUnited States
Start: Waianae (-158.18555, 21.43785)
End: He‘eia (-157.81611, 21.43054)

Estimated Travel Time

Distance: 59 km by road

SpeedTime
30 mph (48.3 km/h)01h 12m
40 mph (64.37 km/h)00h 54m
50 mph (80.47 km/h)00h 43m
60 mph (96.56 km/h)00h 36m
70 mph (112.65 km/h)00h 31m
80 mph (129 km/h)00h 27m

Fuel, Round Trip and CO2

Estimated fuel cost and emissions for this route.

One-way fuel
1.29 gal
4.87 L · about $6.39
Round trip
$12.77
2.58 gal · 9.74 L
Estimated CO2
11.5 kg one way
Round trip: 22.9 kg / 50 lb CO2, using regular gasoline.
Fuel$/galOne wayRound trip
Regular gas $4.95 $6.39 $12.77
Mid-grade $5.34 $6.89 $13.77
Premium $5.57 $7.18 $14.36
Diesel $6.37 $8.21 $16.42

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 Waianae and He‘eia. The current time is 05:29:41.

Distance to Other Cities

Planning a road trip? See the full trip guide on Trip.ovh — stops, fuel costs, weather, and departure timing.

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