How far is Santarém from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Santarém (Santarém-Maestro Wilson Fonseca Airport) is 3746 miles / 6029 kilometers / 3255 nautical miles.
Chicago Rockford International Airport – Santarém-Maestro Wilson Fonseca Airport
Search flights
Distance from Rockford to Santarém
There are several ways to calculate the distance from Rockford to Santarém. Here are two standard methods:
Vincenty's formula (applied above)- 3746.238 miles
- 6028.986 kilometers
- 3255.392 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- 3754.530 miles
- 6042.330 kilometers
- 3262.597 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 Santarém?
The estimated flight time from Chicago Rockford International Airport to Santarém-Maestro Wilson Fonseca Airport is 7 hours and 35 minutes.
What is the time difference between Rockford and Santarém?
The time difference between Rockford and Santarém is 3 hours. Santarém is 3 hours ahead of Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Santarém-Maestro Wilson Fonseca Airport (STM)
On average, flying from Rockford to Santarém generates about 425 kg of CO2 per passenger, and 425 kilograms equals 937 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path from Rockford to Santarém
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Santarém-Maestro Wilson Fonseca Airport (STM).
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 | Santarém-Maestro Wilson Fonseca Airport |
|---|---|
| City: | Santarém |
| Country: | Brazil  |
| IATA Code: | STM |
| ICAO Code: | SBSN |
| Coordinates: | 2°25′28″S, 54°47′8″W |