| Donostia to Corato | 950.13 mi (1,529.09 km) |
| Donostia to Corbetta | 557.55 mi (897.29 km) |
| Donostia to Corciano | 717.33 mi (1,154.42 km) |
| Donostia to Cordenons | 743.46 mi (1,196.48 km) |
| Donostia to Cori | 766.58 mi (1,233.69 km) |
| Donostia to Coriano | 729.41 mi (1,173.87 km) |
| Donostia to Corigliano Calabro | 989.33 mi (1,592.17 km) |
| Donostia to Corleone | 885.75 mi (1,425.47 km) |
| Donostia to Cormano | 570.57 mi (918.24 km) |
| Donostia to Cornaredo | 563.55 mi (906.94 km) |
| Donostia to Cornate d'Adda | 586.18 mi (943.36 km) |
| Donostia to Cornedo Vicentino | 675.28 mi (1,086.76 km) |
| Donostia to Correggio | 641.00 mi (1,031.59 km) |
| Donostia to Corridonia | 778.33 mi (1,252.59 km) |
| Donostia to Corsico | 566.61 mi (911.87 km) |
