| Grefrath to Resana | 470.07 mi (756.50 km) |
| Grefrath to Rescaldina | 412.79 mi (664.32 km) |
| Grefrath to Rezzato | 441.45 mi (710.44 km) |
| Grefrath to Rho | 419.44 mi (675.02 km) |
| Grefrath to Ribera | 1,014.15 mi (1,632.11 km) |
| Grefrath to Riccione Marina | 585.25 mi (941.88 km) |
| Grefrath to Riesi | 1,042.29 mi (1,677.40 km) |
| Grefrath to Rieti | 688.97 mi (1,108.79 km) |
| Grefrath to Rignano Flaminio | 694.38 mi (1,117.49 km) |
| Grefrath to Rignano sull'Arno | 577.13 mi (928.80 km) |
| Grefrath to Rimini | 579.73 mi (932.99 km) |
| Grefrath to Rionero in Vulture | 845.67 mi (1,360.98 km) |
| Grefrath to Riposto | 1,034.44 mi (1,664.76 km) |
| Grefrath to Riva del Garda | 429.21 mi (690.74 km) |
| Grefrath to Rivalta di Torino | 438.80 mi (706.17 km) |
