| Clemson to Rende | 5,172.12 mi (8,323.72 km) |
| Clemson to Resana | 4,764.50 mi (7,667.72 km) |
| Clemson to Rescaldina | 4,636.72 mi (7,462.08 km) |
| Clemson to Rezzato | 4,698.73 mi (7,561.88 km) |
| Clemson to Rho | 4,642.92 mi (7,472.05 km) |
| Clemson to Ribera | 5,105.89 mi (8,217.14 km) |
| Clemson to Riccione Marina | 4,849.31 mi (7,804.22 km) |
| Clemson to Riesi | 5,151.92 mi (8,291.22 km) |
| Clemson to Rieti | 4,913.19 mi (7,907.02 km) |
| Clemson to Rignano Flaminio | 4,903.75 mi (7,891.82 km) |
| Clemson to Rignano sull'Arno | 4,806.50 mi (7,735.32 km) |
| Clemson to Rimini | 4,843.76 mi (7,795.28 km) |
| Clemson to Rionero in Vulture | 5,090.47 mi (8,192.32 km) |
| Clemson to Riposto | 5,186.99 mi (8,347.66 km) |
| Clemson to Riva del Garda | 4,709.61 mi (7,579.39 km) |
