| Grefrath to Cabestany | 618.93 mi (996.07 km) |
| Grefrath to Cabries | 547.34 mi (880.86 km) |
| Grefrath to Cachan | 249.97 mi (402.29 km) |
| Grefrath to Caen | 331.60 mi (533.66 km) |
| Grefrath to Cagnes-sur-Mer | 531.41 mi (855.22 km) |
| Grefrath to Cahors | 527.05 mi (848.20 km) |
| Grefrath to Calais | 196.20 mi (315.76 km) |
| Grefrath to Caluire-et-Cuire | 388.87 mi (625.82 km) |
| Grefrath to Cambrai | 157.59 mi (253.62 km) |
| Grefrath to Canet-en-Roussillon | 616.48 mi (992.13 km) |
| Grefrath to Cannes | 538.80 mi (867.12 km) |
| Grefrath to Canteleu | 267.42 mi (430.37 km) |
| Grefrath to Capbreton | 642.90 mi (1,034.65 km) |
| Grefrath to Carcassonne | 591.59 mi (952.08 km) |
| Grefrath to Carmaux | 539.53 mi (868.30 km) |
