How far is Saint Thomas from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Saint Thomas (Cyril E. King Airport) is 2171 miles / 3494 kilometers / 1886 nautical miles.
Chicago Rockford International Airport – Cyril E. King Airport
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Distance from Rockford to Saint Thomas
There are several ways to calculate the distance from Rockford to Saint Thomas. 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 Rockford to Saint Thomas?
The estimated flight time from Chicago Rockford International Airport to Cyril E. King Airport is 4 hours and 36 minutes.
What is the time difference between Rockford and Saint Thomas?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Cyril E. King Airport (STT)
On average, flying from Rockford to Saint Thomas 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 Rockford to Saint Thomas
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Cyril E. King Airport (STT).
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 | 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 |