| Donostia to Busto Arsizio | 556.59 mi (895.74 km) |
| Donostia to Busto Garolfo | 557.28 mi (896.86 km) |
| Donostia to Cabras | 590.70 mi (950.63 km) |
| Donostia to Cadelbosco di Sopra | 632.07 mi (1,017.22 km) |
| Donostia to Cadoneghe | 701.64 mi (1,129.17 km) |
| Donostia to Cagli | 733.25 mi (1,180.05 km) |
| Donostia to Cagliari | 640.88 mi (1,031.40 km) |
| Donostia to Cairo Montenotte | 515.55 mi (829.70 km) |
| Donostia to Caivano | 848.62 mi (1,365.72 km) |
| Donostia to Calcinaia | 631.20 mi (1,015.82 km) |
| Donostia to Calcinato | 628.85 mi (1,012.04 km) |
| Donostia to Calderara di Reno | 663.86 mi (1,068.39 km) |
| Donostia to Caldogno | 682.00 mi (1,097.58 km) |
| Donostia to Calenzano | 658.26 mi (1,059.37 km) |
| Donostia to Calolziocorte | 586.82 mi (944.40 km) |
