| Grefrath to Caltanissetta | 1,028.39 mi (1,655.03 km) |
| Grefrath to Calvisano | 452.56 mi (728.33 km) |
| Grefrath to Calvizzano | 811.95 mi (1,306.71 km) |
| Grefrath to Camaiore | 543.49 mi (874.67 km) |
| Grefrath to Cameri | 416.86 mi (670.88 km) |
| Grefrath to Camisano Vicentino | 471.33 mi (758.54 km) |
| Grefrath to Campagna | 847.26 mi (1,363.54 km) |
| Grefrath to Campagnano di Roma | 696.70 mi (1,121.23 km) |
| Grefrath to Campi Bisenzio | 565.24 mi (909.66 km) |
| Grefrath to Campi Salentina | 939.11 mi (1,511.35 km) |
| Grefrath to Campiglia Marittima | 605.34 mi (974.20 km) |
| Grefrath to Campobasso | 781.62 mi (1,257.90 km) |
| Grefrath to Campobello di Licata | 1,041.53 mi (1,676.19 km) |
| Grefrath to Campobello di Mazara | 997.15 mi (1,604.76 km) |
| Grefrath to Campodarsego | 477.17 mi (767.92 km) |
