| Donostia to Cabestany | 252.61 mi (406.53 km) |
| Donostia to Cabries | 369.56 mi (594.75 km) |
| Donostia to Cachan | 430.74 mi (693.20 km) |
| Donostia to Caen | 412.10 mi (663.21 km) |
| Donostia to Cagnes-sur-Mer | 457.97 mi (737.04 km) |
| Donostia to Cahors | 187.29 mi (301.41 km) |
| Donostia to Calais | 556.85 mi (896.16 km) |
| Donostia to Caluire-et-Cuire | 376.95 mi (606.64 km) |
| Donostia to Cambrai | 533.92 mi (859.26 km) |
| Donostia to Canet-en-Roussillon | 255.47 mi (411.14 km) |
| Donostia to Cannes | 451.25 mi (726.21 km) |
| Donostia to Canteleu | 447.25 mi (719.77 km) |
| Donostia to Capbreton | 35.34 mi (56.87 km) |
| Donostia to Carcassonne | 217.96 mi (350.78 km) |
| Donostia to Carmaux | 212.78 mi (342.44 km) |
