How far is Rockford, IL, from Saint Thomas?
The distance between Saint Thomas (Cyril E. King Airport) and Rockford (Chicago Rockford International Airport) is 2171 miles / 3494 kilometers / 1886 nautical miles.
Cyril E. King Airport – Chicago Rockford International Airport
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Distance from Saint Thomas to Rockford
There are several ways to calculate the distance from Saint Thomas to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 2170.820 miles
- 3493.596 kilometers
- 1886.391 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- 2172.711 miles
- 3496.640 kilometers
- 1888.034 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 Thomas to Rockford?
The estimated flight time from Cyril E. King Airport to Chicago Rockford International Airport is 4 hours and 36 minutes.
What is the time difference between Saint Thomas and Rockford?
Flight carbon footprint between Cyril E. King Airport (STT) and Chicago Rockford International Airport (RFD)
On average, flying from Saint Thomas to Rockford generates about 237 kg of CO2 per passenger, and 237 kilograms equals 523 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Saint Thomas to Rockford
See the map of the shortest flight path between Cyril E. King Airport (STT) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Cyril E. King Airport |
|---|---|
| City: | Saint Thomas |
| Country: | U.S. Virgin Islands  |
| IATA Code: | STT |
| ICAO Code: | TIST |
| Coordinates: | 18°20′14″N, 64°58′24″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 |