How far is Cheongju from Masuda?

The distance between Masuda (Iwami Airport) and Cheongju (Cheongju International Airport) is 279 miles / 449 kilometers / 243 nautical miles.

The driving distance from Masuda (IWJ) to Cheongju (CJJ) is 454 miles / 730 kilometers, and travel time by car is about 12 hours 12 minutes.

Distance from Masuda to Cheongju

There are several ways to calculate the distance from Masuda to Cheongju. Here are two standard methods:

Vincenty's formula (applied above)

• 279.277 miles
• 449.453 kilometers
• 242.685 nautical miles

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

Haversine formula

• 278.961 miles
• 448.945 kilometers
• 242.411 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).

How long does it take to fly from Masuda to Cheongju?

The estimated flight time from Iwami Airport to Cheongju International Airport is 1 hour and 1 minutes.

What is the time difference between Masuda and Cheongju?

There is no time difference between Masuda and Cheongju.

Flight carbon footprint between Iwami Airport (IWJ) and Cheongju International Airport (CJJ)

On average, flying from Masuda to Cheongju generates about 66 kg of CO2 per passenger, and 66 kilograms equals 146 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from Masuda to Cheongju

See the map of the shortest flight path between Iwami Airport (IWJ) and Cheongju International Airport (CJJ).

Airport information

Origin	Iwami Airport
City:	Masuda
Country:	Japan
IATA Code:	IWJ
ICAO Code:	RJOW
Coordinates:	34°40′35″N, 131°47′23″E

Destination	Cheongju International Airport
City:	Cheongju
Country:	South Korea
IATA Code:	CJJ
ICAO Code:	RKTU
Coordinates:	36°42′59″N, 127°29′56″E