How far is Rockford, IL, from Ithaca, NY?
The distance between Ithaca (Ithaca Tompkins Regional Airport) and Rockford (Chicago Rockford International Airport) is 647 miles / 1041 kilometers / 562 nautical miles.
The driving distance from Ithaca (ITH) to Rockford (RFD) is 763 miles / 1228 kilometers, and travel time by car is about 14 hours 32 minutes.
Ithaca Tompkins Regional Airport – Chicago Rockford International Airport
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Distance from Ithaca to Rockford
There are several ways to calculate the distance from Ithaca to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 646.874 miles
- 1041.042 kilometers
- 562.118 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- 645.171 miles
- 1038.302 kilometers
- 560.638 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 Ithaca to Rockford?
The estimated flight time from Ithaca Tompkins Regional Airport to Chicago Rockford International Airport is 1 hour and 43 minutes.
What is the time difference between Ithaca and Rockford?
The time difference between Ithaca and Rockford is 1 hour. Rockford is 1 hour behind Ithaca.
Flight carbon footprint between Ithaca Tompkins Regional Airport (ITH) and Chicago Rockford International Airport (RFD)
On average, flying from Ithaca to Rockford generates about 118 kg of CO2 per passenger, and 118 kilograms equals 261 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Ithaca to Rockford
See the map of the shortest flight path between Ithaca Tompkins Regional Airport (ITH) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Ithaca Tompkins Regional Airport |
|---|---|
| City: | Ithaca, NY |
| Country: | United States  |
| IATA Code: | ITH |
| ICAO Code: | KITH |
| Coordinates: | 42°29′27″N, 76°27′30″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 |