How far is Rockford, IL, from Osaka?

The distance between Osaka (Kansai International Airport) and Rockford (Chicago Rockford International Airport) is 6460 miles / 10396 kilometers / 5613 nautical miles.

Distance from Osaka to Rockford

There are several ways to calculate the distance from Osaka to Rockford. Here are two standard methods:

Vincenty's formula (applied above)

• 6459.854 miles
• 10396.127 kilometers
• 5613.460 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

• 6445.438 miles
• 10372.927 kilometers
• 5600.932 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 Osaka to Rockford?

The estimated flight time from Kansai International Airport to Chicago Rockford International Airport is 12 hours and 43 minutes.

What is the time difference between Osaka and Rockford?

The time difference between Osaka and Rockford is 15 hours. Rockford is 15 hours behind Osaka.

Flight carbon footprint between Kansai International Airport (KIX) and Chicago Rockford International Airport (RFD)

On average, flying from Osaka to Rockford generates about 780 kg of CO2 per passenger, and 780 kilograms equals 1 719 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Osaka to Rockford

See the map of the shortest flight path between Kansai International Airport (KIX) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Kansai International Airport
City:	Osaka
Country:	Japan
IATA Code:	KIX
ICAO Code:	RJBB
Coordinates:	34°25′38″N, 135°14′38″E

Destination	Chicago Rockford International Airport
City:	Rockford, IL
Country:	United States
IATA Code:	RFD
ICAO Code:	KRFD
Coordinates:	42°11′43″N, 89°5′49″W