| Grefrath to Corbetta | 422.34 mi (679.69 km) |
| Grefrath to Corciano | 631.12 mi (1,015.69 km) |
| Grefrath to Cordenons | 469.76 mi (756.01 km) |
| Grefrath to Cori | 738.29 mi (1,188.17 km) |
| Grefrath to Coriano | 586.14 mi (943.30 km) |
| Grefrath to Corigliano Calabro | 947.03 mi (1,524.10 km) |
| Grefrath to Corleone | 993.82 mi (1,599.39 km) |
| Grefrath to Cormano | 420.17 mi (676.19 km) |
| Grefrath to Cornaredo | 421.65 mi (678.58 km) |
| Grefrath to Cornate d'Adda | 418.04 mi (672.78 km) |
| Grefrath to Cornedo Vicentino | 456.71 mi (735.01 km) |
| Grefrath to Correggio | 497.66 mi (800.90 km) |
| Grefrath to Corridonia | 651.39 mi (1,048.31 km) |
| Grefrath to Corsico | 427.20 mi (687.52 km) |
| Grefrath to Cortona | 616.14 mi (991.59 km) |
