How far is Rockford, IL, from Blountville, TN?
The distance between Blountville (Blountville Tri-Cities Regional Airport) and Rockford (Chicago Rockford International Airport) is 533 miles / 857 kilometers / 463 nautical miles.
The driving distance from Blountville (TRI) to Rockford (RFD) is 677 miles / 1089 kilometers, and travel time by car is about 13 hours 0 minutes.
Blountville Tri-Cities Regional Airport – Chicago Rockford International Airport
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Distance from Blountville to Rockford
There are several ways to calculate the distance from Blountville to Rockford. Here are two standard methods:
Vincenty's formula (applied above)- 532.710 miles
- 857.314 kilometers
- 462.912 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- 532.575 miles
- 857.097 kilometers
- 462.795 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 Blountville to Rockford?
The estimated flight time from Blountville Tri-Cities Regional Airport to Chicago Rockford International Airport is 1 hour and 30 minutes.
What is the time difference between Blountville and Rockford?
Flight carbon footprint between Blountville Tri-Cities Regional Airport (TRI) and Chicago Rockford International Airport (RFD)
On average, flying from Blountville to Rockford generates about 103 kg of CO2 per passenger, and 103 kilograms equals 228 pounds (lbs). The figures are estimates and include only the CO2 generated by burning jet fuel.
Map of flight path and driving directions from Blountville to Rockford
See the map of the shortest flight path between Blountville Tri-Cities Regional Airport (TRI) and Chicago Rockford International Airport (RFD).
Airport information
| Origin | Blountville Tri-Cities Regional Airport |
|---|---|
| City: | Blountville, TN |
| Country: | United States  |
| IATA Code: | TRI |
| ICAO Code: | KTRI |
| Coordinates: | 36°28′30″N, 82°24′26″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 |