| Knoxville to Rende | 5,168.35 mi (8,317.65 km) |
| Knoxville to Resana | 4,753.23 mi (7,649.59 km) |
| Knoxville to Rescaldina | 4,627.54 mi (7,447.30 km) |
| Knoxville to Rezzato | 4,688.81 mi (7,545.91 km) |
| Knoxville to Rho | 4,633.84 mi (7,457.44 km) |
| Knoxville to Ribera | 5,107.65 mi (8,219.96 km) |
| Knoxville to Riccione Marina | 4,840.42 mi (7,789.90 km) |
| Knoxville to Riesi | 5,153.34 mi (8,293.50 km) |
| Knoxville to Rieti | 4,906.92 mi (7,896.92 km) |
| Knoxville to Rignano Flaminio | 4,898.12 mi (7,882.75 km) |
| Knoxville to Rignano sull'Arno | 4,798.97 mi (7,723.20 km) |
| Knoxville to Rimini | 4,834.82 mi (7,780.89 km) |
| Knoxville to Rionero in Vulture | 5,084.50 mi (8,182.71 km) |
| Knoxville to Riposto | 5,186.70 mi (8,347.19 km) |
| Knoxville to Riva del Garda | 4,698.66 mi (7,561.76 km) |
