| Groningen to Caltagirone | 1,168.07 mi (1,879.82 km) |
| Groningen to Caltanissetta | 1,144.39 mi (1,841.72 km) |
| Groningen to Calvisano | 569.46 mi (916.46 km) |
| Groningen to Calvizzano | 922.18 mi (1,484.11 km) |
| Groningen to Camaiore | 663.50 mi (1,067.80 km) |
| Groningen to Cameri | 541.29 mi (871.12 km) |
| Groningen to Camisano Vicentino | 579.92 mi (933.29 km) |
| Groningen to Campagna | 954.41 mi (1,535.97 km) |
| Groningen to Campagnano di Roma | 811.52 mi (1,306.02 km) |
| Groningen to Campi Bisenzio | 681.92 mi (1,097.44 km) |
| Groningen to Campi Salentina | 1,035.12 mi (1,665.86 km) |
| Groningen to Campiglia Marittima | 725.43 mi (1,167.46 km) |
| Groningen to Campobasso | 888.31 mi (1,429.59 km) |
| Groningen to Campobello di Licata | 1,158.22 mi (1,863.98 km) |
| Groningen to Campobello di Mazara | 1,116.64 mi (1,797.06 km) |
