How far is Rockford, IL, from Aspen, CO?
The distance between Aspen (Aspen–Pitkin County Airport) and Rockford (Chicago Rockford International Airport) is 954 miles / 1535 kilometers / 829 nautical miles.
The driving distance from Aspen (ASE) to Rockford (RFD) is 1138 miles / 1831 kilometers, and travel time by car is about 20 hours 42 minutes.
Aspen–Pitkin County Airport – Chicago Rockford International Airport
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Distance from Aspen to Rockford
There are several ways to calculate the distance from Aspen to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 953.544 miles
- 1534.581 kilometers
- 828.607 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- 951.293 miles
- 1530.957 kilometers
- 826.651 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 Aspen to Rockford?
The estimated flight time from Aspen–Pitkin County Airport to Chicago Rockford International Airport is 2 hours and 18 minutes.
What is the time difference between Aspen and Rockford?
The time difference between Aspen and Rockford is 1 hour. Rockford is 1 hour ahead of Aspen.
Flight carbon footprint between Aspen–Pitkin County Airport (ASE) and Chicago Rockford International Airport (RFD)
On average, flying from Aspen to Rockford generates about 148 kg of CO2 per passenger, and 148 kilograms equals 325 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Aspen to Rockford
See the map of the shortest flight path between Aspen–Pitkin County Airport (ASE) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Aspen–Pitkin County Airport |
|---|---|
| City: | Aspen, CO |
| Country: | United States  |
| IATA Code: | ASE |
| ICAO Code: | KASE |
| Coordinates: | 39°13′23″N, 106°52′8″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 |