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How far is Rockford, IL, from St. John's?

The distance between St. John's (St. John's International Airport) and Rockford (Chicago Rockford International Airport) is 1805 miles / 2905 kilometers / 1568 nautical miles.

The driving distance from St. John's (YYT) to Rockford (RFD) is 3012 miles / 4847 kilometers, and travel time by car is about 68 hours 23 minutes.

St. John's International Airport – Chicago Rockford International Airport

Distance arrow
1805
Miles
Distance arrow
2905
Kilometers
Distance arrow
1568
Nautical miles
Flight time duration
3 h 55 min
Time Difference
2 h 30 min
CO2 emission
200 kg

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Distance from St. John's to Rockford

There are several ways to calculate the distance from St. John's to Rockford. Here are two standard methods:

Vincenty's formula (applied above)
  • 1804.984 miles
  • 2904.839 kilometers
  • 1568.488 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
  • 1800.224 miles
  • 2897.179 kilometers
  • 1564.352 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 St. John's to Rockford?

The estimated flight time from St. John's International Airport to Chicago Rockford International Airport is 3 hours and 55 minutes.

Flight carbon footprint between St. John's International Airport (YYT) and Chicago Rockford International Airport (RFD)

On average, flying from St. John's to Rockford generates about 200 kg of CO2 per passenger, and 200 kilograms equals 442 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path and driving directions from St. John's to Rockford

See the map of the shortest flight path between St. John's International Airport (YYT) and Chicago Rockford International Airport (RFD).

Airport information

Origin St. John's International Airport
City: St. John's
Country: Canada Flag of Canada
IATA Code: YYT
ICAO Code: CYYT
Coordinates: 47°37′6″N, 52°45′6″W
Destination Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W