| Niederkassel to Resana | 423.44 mi (681.46 km) |
| Niederkassel to Rescaldina | 369.93 mi (595.34 km) |
| Niederkassel to Rezzato | 396.24 mi (637.69 km) |
| Niederkassel to Rho | 376.46 mi (605.85 km) |
| Niederkassel to Ribera | 969.73 mi (1,560.63 km) |
| Niederkassel to Riccione Marina | 538.90 mi (867.27 km) |
| Niederkassel to Riesi | 997.33 mi (1,605.05 km) |
| Niederkassel to Rieti | 643.11 mi (1,034.99 km) |
| Niederkassel to Rignano Flaminio | 648.88 mi (1,044.27 km) |
| Niederkassel to Rignano sull'Arno | 531.80 mi (855.85 km) |
| Niederkassel to Rimini | 533.39 mi (858.42 km) |
| Niederkassel to Rionero in Vulture | 799.03 mi (1,285.92 km) |
| Niederkassel to Riposto | 988.70 mi (1,591.15 km) |
| Niederkassel to Riva del Garda | 383.15 mi (616.62 km) |
| Niederkassel to Rivalta di Torino | 400.17 mi (644.02 km) |
