| Knoxville to Rivalta di Torino | 4,585.36 mi (7,379.42 km) |
| Knoxville to Rivarolo Canavese | 4,584.27 mi (7,377.67 km) |
| Knoxville to Rivoli | 4,584.17 mi (7,377.51 km) |
| Knoxville to Rocca di Papa | 4,924.08 mi (7,924.53 km) |
| Knoxville to Rocca Priora | 4,925.66 mi (7,927.08 km) |
| Knoxville to Roccapiemonte | 5,047.96 mi (8,123.91 km) |
| Knoxville to Roccastrada | 4,811.94 mi (7,744.06 km) |
| Knoxville to Romano di Lombardia | 4,664.77 mi (7,507.23 km) |
| Knoxville to Rome | 4,909.24 mi (7,900.66 km) |
| Knoxville to Roncade | 4,771.31 mi (7,678.69 km) |
| Knoxville to Ronchi dei Legionari | 4,810.45 mi (7,741.67 km) |
| Knoxville to Ronciglione | 4,883.18 mi (7,858.71 km) |
| Knoxville to Rosa | 4,742.69 mi (7,632.62 km) |
| Knoxville to Rosarno | 5,192.43 mi (8,356.40 km) |
| Knoxville to Rosignano Marittimo | 4,767.81 mi (7,673.05 km) |
