| Grefrath to Busto Garolfo | 416.55 mi (670.38 km) |
| Grefrath to Cabras | 794.86 mi (1,279.21 km) |
| Grefrath to Cadelbosco di Sopra | 494.50 mi (795.82 km) |
| Grefrath to Cadoneghe | 480.55 mi (773.38 km) |
| Grefrath to Cagli | 612.93 mi (986.42 km) |
| Grefrath to Cagliari | 847.22 mi (1,363.48 km) |
| Grefrath to Cairo Montenotte | 487.45 mi (784.47 km) |
| Grefrath to Caivano | 811.39 mi (1,305.80 km) |
| Grefrath to Calcinaia | 564.93 mi (909.16 km) |
| Grefrath to Calcinato | 446.91 mi (719.22 km) |
| Grefrath to Calderara di Reno | 520.03 mi (836.91 km) |
| Grefrath to Caldogno | 461.06 mi (742.01 km) |
| Grefrath to Calenzano | 562.64 mi (905.48 km) |
| Grefrath to Calolziocorte | 407.72 mi (656.16 km) |
| Grefrath to Caltagirone | 1,053.08 mi (1,694.76 km) |
