How far is Ithaca, NY, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Ithaca (Ithaca Tompkins Regional Airport) is 647 miles / 1041 kilometers / 562 nautical miles.
The driving distance from Rockford (RFD) to Ithaca (ITH) is 762 miles / 1226 kilometers, and travel time by car is about 14 hours 30 minutes.
Chicago Rockford International Airport – Ithaca Tompkins Regional Airport
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Distance from Rockford to Ithaca
There are several ways to calculate the distance from Rockford to Ithaca. 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 Rockford to Ithaca?
The estimated flight time from Chicago Rockford International Airport to Ithaca Tompkins Regional Airport is 1 hour and 43 minutes.
What is the time difference between Rockford and Ithaca?
The time difference between Rockford and Ithaca is 1 hour. Ithaca is 1 hour ahead of Rockford.
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Ithaca Tompkins Regional Airport (ITH)
On average, flying from Rockford to Ithaca 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 Rockford to Ithaca
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Ithaca Tompkins Regional Airport (ITH).
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 | 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 |