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How far is Syros Island from Rockford, IL?

The distance between Rockford (Chicago Rockford International Airport) and Syros Island (Syros Island National Airport) is 5562 miles / 8951 kilometers / 4833 nautical miles.

Chicago Rockford International Airport – Syros Island National Airport

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5562
Miles
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8951
Kilometers
Distance arrow
4833
Nautical miles

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Distance from Rockford to Syros Island

There are several ways to calculate the distance from Rockford to Syros Island. Here are two standard methods:

Vincenty's formula (applied above)
  • 5561.936 miles
  • 8951.068 kilometers
  • 4833.190 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
  • 5548.559 miles
  • 8929.540 kilometers
  • 4821.566 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 Syros Island?

The estimated flight time from Chicago Rockford International Airport to Syros Island National Airport is 11 hours and 1 minutes.

Flight carbon footprint between Chicago Rockford International Airport (RFD) and Syros Island National Airport (JSY)

On average, flying from Rockford to Syros Island generates about 658 kg of CO2 per passenger, and 658 kilograms equals 1 450 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.

Map of flight path from Rockford to Syros Island

See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Syros Island National Airport (JSY).

Airport information

Origin Chicago Rockford International Airport
City: Rockford, IL
Country: United States Flag of United States
IATA Code: RFD
ICAO Code: KRFD
Coordinates: 42°11′43″N, 89°5′49″W
Destination Syros Island National Airport
City: Syros Island
Country: Greece Flag of Greece
IATA Code: JSY
ICAO Code: LGSO
Coordinates: 37°25′22″N, 24°57′3″E