| Clarkston to Rosolini | 5,310.92 mi (8,547.10 km) |
| Clarkston to Rossano | 5,284.89 mi (8,505.21 km) |
| Clarkston to Rottofreno | 4,781.33 mi (7,694.80 km) |
| Clarkston to Rovato | 4,784.42 mi (7,699.78 km) |
| Clarkston to Roverbella | 4,827.05 mi (7,768.38 km) |
| Clarkston to Rovereto | 4,819.03 mi (7,755.48 km) |
| Clarkston to Rovigo | 4,877.15 mi (7,849.01 km) |
| Clarkston to Rozzano | 4,753.75 mi (7,650.43 km) |
| Clarkston to Rubano | 4,864.97 mi (7,829.42 km) |
| Clarkston to Rubiera | 4,847.94 mi (7,802.01 km) |
| Clarkston to Ruffano | 5,340.79 mi (8,595.17 km) |
| Clarkston to Russi | 4,911.03 mi (7,903.54 km) |
| Clarkston to Rutigliano | 5,245.44 mi (8,441.73 km) |
| Clarkston to Ruvo di Puglia | 5,220.32 mi (8,401.29 km) |
| Clarkston to Sabaudia | 5,060.53 mi (8,144.14 km) |
