How far is Blountville, TN, from Rockford, IL?
The distance between Rockford (Chicago Rockford International Airport) and Blountville (Blountville Tri-Cities Regional Airport) is 533 miles / 857 kilometers / 463 nautical miles.
The driving distance from Rockford (RFD) to Blountville (TRI) is 680 miles / 1094 kilometers, and travel time by car is about 12 hours 59 minutes.
Chicago Rockford International Airport – Blountville Tri-Cities Regional Airport
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Distance from Rockford to Blountville
There are several ways to calculate the distance from Rockford to Blountville. 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 Rockford to Blountville?
The estimated flight time from Chicago Rockford International Airport to Blountville Tri-Cities Regional Airport is 1 hour and 30 minutes.
What is the time difference between Rockford and Blountville?
Flight carbon footprint between Chicago Rockford International Airport (RFD) and Blountville Tri-Cities Regional Airport (TRI)
On average, flying from Rockford to Blountville 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 Rockford to Blountville
See the map of the shortest flight path between Chicago Rockford International Airport (RFD) and Blountville Tri-Cities Regional Airport (TRI).
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 | 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 |