How far is Rockford, IL, from St Augustine, FL?
The distance between St Augustine (Northeast Florida Regional Airport) and Rockford (Chicago Rockford International Airport) is 948 miles / 1525 kilometers / 824 nautical miles.
The driving distance from St Augustine (UST) to Rockford (RFD) is 1181 miles / 1901 kilometers, and travel time by car is about 21 hours 42 minutes.
Northeast Florida Regional Airport – Chicago Rockford International Airport
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Distance from St Augustine to Rockford
There are several ways to calculate the distance from St Augustine to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 947.800 miles
- 1525.337 kilometers
- 823.616 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- 948.934 miles
- 1527.161 kilometers
- 824.601 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 Augustine to Rockford?
The estimated flight time from Northeast Florida Regional Airport to Chicago Rockford International Airport is 2 hours and 17 minutes.
What is the time difference between St Augustine and Rockford?
Flight carbon footprint between Northeast Florida Regional Airport (UST) and Chicago Rockford International Airport (RFD)
On average, flying from St Augustine to Rockford generates about 147 kg of CO2 per passenger, and 147 kilograms equals 324 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 Augustine to Rockford
See the map of the shortest flight path between Northeast Florida Regional Airport (UST) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Northeast Florida Regional Airport |
|---|---|
| City: | St Augustine, FL |
| Country: | United States  |
| IATA Code: | UST |
| ICAO Code: | KSGJ |
| Coordinates: | 29°57′33″N, 81°20′23″W |
| 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 |