How far is Waianae, HI from Mountain View, HI?
The estimated driving distance from Waianae, HI to Mountain View, HI is about 280.7 miles (451.7 km), with a travel time of about 04h 55m by car.
- This page is using an estimated road distance while the full route geometry is refreshed.
- The straight-line flight distance is about 237.9 miles (382.8 km).
- For a round trip, plan for roughly 09h 50m of driving time before adding stops, traffic, or weather delays.
- A comfortable departure window is usually 6:00 AM to 8:00 AM HST.
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.
This drive is better planned with a longer stop or an overnight stay.
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 04h 55m.
An early departure helps you fit a real stop into the day without turning the return into a late-night drive.
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.
City in Maui County, Hawaii, United States of America
Route Weather Snapshot
Check the forecast at both ends before you head out.
Sunny
Chance Rain Showers
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 Waianae and Mountain View.
Route Summary
A quick read on whether this route feels easy, ambitious, or worth planning around.
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.
Sunny leaving Waianae and Chance Rain Showers near Mountain View.
Trip Questions
Direct answers travelers usually want before committing to the drive.
How long does it take to drive from Waianae to Mountain View?
The road trip is about 280.7 miles (451.7 km) and usually takes 04h 55m 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 118.9 miles from Waianae and 161.7 miles from Mountain View.
How much longer is the road route than the straight-line distance?
The direct path is about 237.9 miles (382.8 km), while the road route adds roughly 42.8 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 7:10 AM HST.
How much will gas cost for this route?
Using about 28.3 MPG, regular gas is estimated at $49.01 one way or $98.03 round trip. Estimated CO2 is about 88 kg one way.
What should you check before leaving?
Before you leave, expect Sunny around Waianae and Chance Rain Showers near Mountain View.
Flight Path Map
This map shows the direct air route between Waianae and Mountain View. Straight-line distance: 237.85 mi (382.78 km).
#1 Waianae
Census designated place in Honolulu County, Hawaii, United States
| Population | 13,177 |
| Coordinates | 21.4378500, -158.1855500 |
| Altitude | 5 |
| Country | United States |
#2 Mountain View
City in Hawaii County, Hawaii, United States of America
| Population | 3,924 |
| Coordinates | 19.5558300, -155.1080600 |
| Altitude | 437 |
| Country | United States |
End: Mountain View (-155.10806, 19.55583)
Estimated Travel Time
Distance: 452 km by road
| Speed | Time |
|---|---|
| 30 mph (48.3 km/h) | 09h 21m |
| 40 mph (64.37 km/h) | 07h 01m |
| 50 mph (80.47 km/h) | 05h 36m |
| 60 mph (96.56 km/h) | 04h 40m |
| 70 mph (112.65 km/h) | 04h 00m |
| 80 mph (129 km/h) | 03h 30m |
Fuel, Round Trip and CO2
Estimated fuel cost and emissions for this route.
| Fuel | $/gal | One way | Round trip |
|---|---|---|---|
| Regular gas | $4.95 | $49.01 | $98.03 |
| Mid-grade | $5.34 | $52.85 | $105.69 |
| Premium | $5.57 | $55.10 | $110.21 |
| Diesel | $6.37 | $63.02 | $126.05 |
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 · May 25, 2026