| Catonsville to Rende | 4,715.49 mi (7,588.85 km) |
| Catonsville to Resana | 4,304.69 mi (6,927.72 km) |
| Catonsville to Rescaldina | 4,177.54 mi (6,723.10 km) |
| Catonsville to Rezzato | 4,239.31 mi (6,822.51 km) |
| Catonsville to Rho | 4,183.77 mi (6,733.13 km) |
| Catonsville to Ribera | 4,653.00 mi (7,488.28 km) |
| Catonsville to Riccione Marina | 4,390.26 mi (7,065.44 km) |
| Catonsville to Riesi | 4,698.77 mi (7,561.93 km) |
| Catonsville to Rieti | 4,455.23 mi (7,170.01 km) |
| Catonsville to Rignano Flaminio | 4,446.10 mi (7,155.31 km) |
| Catonsville to Rignano sull'Arno | 4,347.98 mi (6,997.40 km) |
| Catonsville to Rimini | 4,384.69 mi (7,056.47 km) |
| Catonsville to Rionero in Vulture | 4,632.68 mi (7,455.58 km) |
| Catonsville to Riposto | 4,732.58 mi (7,616.36 km) |
| Catonsville to Riva del Garda | 4,249.88 mi (6,839.52 km) |
