How far is Rockford, IL, from San Juan?
The distance between San Juan (Fernando Luis Ribas Dominicci Airport) and Rockford (Chicago Rockford International Airport) is 2122 miles / 3414 kilometers / 1844 nautical miles.
Fernando Luis Ribas Dominicci Airport – Chicago Rockford International Airport
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Distance from San Juan to Rockford
There are several ways to calculate the distance from San Juan to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 2121.606 miles
- 3414.394 kilometers
- 1843.625 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- 2123.661 miles
- 3417.700 kilometers
- 1845.411 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 San Juan to Rockford?
The estimated flight time from Fernando Luis Ribas Dominicci Airport to Chicago Rockford International Airport is 4 hours and 31 minutes.
What is the time difference between San Juan and Rockford?
The time difference between San Juan and Rockford is 1 hour. Rockford is 1 hour behind San Juan.
Flight carbon footprint between Fernando Luis Ribas Dominicci Airport (SIG) and Chicago Rockford International Airport (RFD)
On average, flying from San Juan to Rockford generates about 231 kg of CO2 per passenger, and 231 kilograms equals 510 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from San Juan to Rockford
See the map of the shortest flight path between Fernando Luis Ribas Dominicci Airport (SIG) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Fernando Luis Ribas Dominicci Airport |
|---|---|
| City: | San Juan |
| Country: | Puerto Rico  |
| IATA Code: | SIG |
| ICAO Code: | TJIG |
| Coordinates: | 18°27′24″N, 66°5′53″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 |