| Ratingen to Cologno al Serio | 415.94 mi (669.39 km) |
| Ratingen to Cologno Monzese | 413.96 mi (666.21 km) |
| Ratingen to Colorno | 468.98 mi (754.74 km) |
| Ratingen to Comacchio | 518.08 mi (833.77 km) |
| Ratingen to Comiso | 1,061.94 mi (1,709.03 km) |
| Ratingen to Como | 392.79 mi (632.14 km) |
| Ratingen to Concordia Sagittaria | 470.32 mi (756.91 km) |
| Ratingen to Concorezzo | 410.60 mi (660.80 km) |
| Ratingen to Conegliano | 449.01 mi (722.61 km) |
| Ratingen to Conselice | 522.13 mi (840.29 km) |
| Ratingen to Conselve | 478.21 mi (769.60 km) |
| Ratingen to Conversano | 865.02 mi (1,392.12 km) |
| Ratingen to Copertino | 931.74 mi (1,499.49 km) |
| Ratingen to Copparo | 498.13 mi (801.66 km) |
| Ratingen to Corato | 835.24 mi (1,344.19 km) |
