| Donostia to Caltagirone | 963.31 mi (1,550.29 km) |
| Donostia to Caltanissetta | 933.14 mi (1,501.74 km) |
| Donostia to Calvisano | 624.39 mi (1,004.86 km) |
| Donostia to Calvizzano | 843.77 mi (1,357.92 km) |
| Donostia to Camaiore | 615.05 mi (989.83 km) |
| Donostia to Cameri | 545.38 mi (877.71 km) |
| Donostia to Camisano Vicentino | 691.83 mi (1,113.40 km) |
| Donostia to Campagna | 894.35 mi (1,439.31 km) |
| Donostia to Campagnano di Roma | 732.70 mi (1,179.16 km) |
| Donostia to Campi Bisenzio | 656.68 mi (1,056.83 km) |
| Donostia to Campi Salentina | 1,045.94 mi (1,683.27 km) |
| Donostia to Campiglia Marittima | 634.16 mi (1,020.59 km) |
| Donostia to Campobasso | 855.90 mi (1,377.44 km) |
| Donostia to Campobello di Licata | 934.85 mi (1,504.50 km) |
| Donostia to Campobello di Mazara | 866.46 mi (1,394.43 km) |
