How far is Rockford, IL, from Nan?

The distance between Nan (Nan Nakhon Airport) and Rockford (Chicago Rockford International Airport) is 8186 miles / 13175 kilometers / 7114 nautical miles.

Distance from Nan to Rockford

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

Vincenty's formula (applied above)

• 8186.408 miles
• 13174.747 kilometers
• 7113.794 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

• 8174.965 miles
• 13156.331 kilometers
• 7103.850 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 Nan to Rockford?

The estimated flight time from Nan Nakhon Airport to Chicago Rockford International Airport is 15 hours and 59 minutes.

What is the time difference between Nan and Rockford?

The time difference between Nan and Rockford is 13 hours. Rockford is 13 hours behind Nan.

Flight carbon footprint between Nan Nakhon Airport (NNT) and Chicago Rockford International Airport (RFD)

On average, flying from Nan to Rockford generates about 1 026 kg of CO2 per passenger, and 1 026 kilograms equals 2 261 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Nan to Rockford

See the map of the shortest flight path between Nan Nakhon Airport (NNT) and Chicago Rockford International Airport (RFD).

Airport information

Origin	Nan Nakhon Airport
City:	Nan
Country:	Thailand
IATA Code:	NNT
ICAO Code:	VTCN
Coordinates:	18°48′28″N, 100°46′58″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