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How far is Rockford, IL, from Saint Petersburg?

The distance between Saint Petersburg (Pulkovo Airport) and Rockford (Chicago Rockford International Airport) is 4612 miles / 7423 kilometers / 4008 nautical miles.

Pulkovo Airport – Chicago Rockford International Airport

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4612
Miles
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7423
Kilometers
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4008
Nautical miles

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Distance from Saint Petersburg to Rockford

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

Vincenty's formula (applied above)
  • 4612.132 miles
  • 7422.507 kilometers
  • 4007.833 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
  • 4598.859 miles
  • 7401.147 kilometers
  • 3996.300 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 Saint Petersburg to Rockford?

The estimated flight time from Pulkovo Airport to Chicago Rockford International Airport is 9 hours and 13 minutes.

Flight carbon footprint between Pulkovo Airport (LED) and Chicago Rockford International Airport (RFD)

On average, flying from Saint Petersburg to Rockford generates about 534 kg of CO2 per passenger, and 534 kilograms equals 1 177 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Saint Petersburg to Rockford

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

Airport information

Origin Pulkovo Airport
City: Saint Petersburg
Country: Russia Flag of Russia
IATA Code: LED
ICAO Code: ULLI
Coordinates: 59°48′1″N, 30°15′45″E
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