# Distance between Niigata (KIJ) and Iwakuni (IWK)

Flight distance from Niigata to Iwakuni (Niigata Airport – Marine Corps Air Station Iwakuni) is 466 miles / 751 kilometers / 405 nautical miles. Estimated flight time is 1 hour 22 minutes.

Driving distance from Niigata (KIJ) to Iwakuni (IWK) is 583 miles / 939 kilometers and travel time by car is about 10 hours 42 minutes.

## Map of flight path and driving directions from Niigata to Iwakuni.

Shortest flight path between Niigata Airport (KIJ) and Marine Corps Air Station Iwakuni (IWK).

## How far is Iwakuni from Niigata?

There are several ways to calculate distances between Niigata and Iwakuni. Here are two common methods:

Vincenty's formula (applied above)
• 466.344 miles
• 750.508 kilometers
• 405.242 nautical miles

Vincenty's formula calculates the distance between latitude/longitude points on the earth’s surface, using an ellipsoidal model of the earth.

Haversine formula
• 465.935 miles
• 749.849 kilometers
• 404.886 nautical miles

The haversine formula calculates the distance between latitude/longitude points assuming a spherical earth (great-circle distance – the shortest distance between two points).

## Airport information

A Niigata Airport
City: Niigata
Country: Japan
IATA Code: KIJ
ICAO Code: RJSN
Coordinates: 37°57′21″N, 139°7′15″E

B Marine Corps Air Station Iwakuni
City: Iwakuni
Country: Japan
IATA Code: IWK
ICAO Code: RJOI
Coordinates: 34°8′38″N, 132°14′9″E

## Time difference and current local times

There is no time difference between Niigata and Iwakuni.

JST

JST

## Carbon dioxide emissions

Estimated CO2 emissions per passenger is 94 kg (206 pounds).

## Frequent Flyer Miles Calculator

Niigata (KIJ) → Iwakuni (IWK).

Distance:
466
Elite level bonus:
0
Booking class bonus:
0

### In total

Total frequent flyer miles:
466

Round trip?