How far is St Petersburg, FL, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and St Petersburg (St. Pete–Clearwater International Airport) is 1049 miles / 1688 kilometers / 911 nautical miles.
The driving distance from Rockford (RFD) to St Petersburg (PIE) is 1270 miles / 2044 kilometers, and travel time by car is about 23 hours 23 minutes.
Chicago Rockford International Airport – St. Pete–Clearwater International Airport
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Distance from Rockford to St Petersburg
There are several ways to calculate the distance from Rockford to St Petersburg. Here are two standard methods:
Vincenty's formula (applied above)- 1048.843 miles
- 1687.950 kilometers
- 911.420 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- 1050.666 miles
- 1690.882 kilometers
- 913.003 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 St Petersburg?
The estimated flight time from Chicago Rockford International Airport to St. Pete–Clearwater International Airport is 2 hours and 29 minutes.
What is the time difference between Rockford and St Petersburg?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and St. Pete–Clearwater International Airport (PIE)
On average, flying from Rockford to St Petersburg generates about 154 kg of CO2 per passenger, and 154 kilograms equals 339 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Rockford to St Petersburg
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and St. Pete–Clearwater International Airport (PIE).
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 | St. Pete–Clearwater International Airport |
|---|---|
| City: | St Petersburg, FL |
| Country: | United States |
| IATA Code: | PIE |
| ICAO Code: | KPIE |
| Coordinates: | 27°54′36″N, 82°41′14″W |
Airlines flying from Rockford (RFD) to St Petersburg (PIE)
| Allegiant Air |