How far is Saint Petersburg from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Saint Petersburg (Pulkovo Airport) is 4612 miles / 7423 kilometers / 4008 nautical miles.
Chicago Rockford International Airport – Pulkovo Airport
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Distance from Rockford to Saint Petersburg
There are several ways to calculate the distance from Rockford to Saint Petersburg. 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 Rockford to Saint Petersburg?
The estimated flight time from Chicago Rockford International Airport to Pulkovo Airport is 9 hours and 13 minutes.
What is the time difference between Rockford and Saint Petersburg?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Pulkovo Airport (LED)
On average, flying from Rockford to Saint Petersburg 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 Rockford to Saint Petersburg
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Pulkovo Airport (LED).
Airport information
| Origin | 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 |
| Destination | Pulkovo Airport |
|---|---|
| City: | Saint Petersburg |
| Country: | Russia  |
| IATA Code: | LED |
| ICAO Code: | ULLI |
| Coordinates: | 59°48′1″N, 30°15′45″E |