| Donostia to Carmignano | 650.87 mi (1,047.48 km) |
| Donostia to Carovigno | 1,022.25 mi (1,645.16 km) |
| Donostia to Carpenedolo | 628.71 mi (1,011.82 km) |
| Donostia to Carpi | 646.01 mi (1,039.66 km) |
| Donostia to Carrara | 605.15 mi (973.90 km) |
| Donostia to Carugate | 578.47 mi (930.95 km) |
| Donostia to Casal di Principe | 838.98 mi (1,350.20 km) |
| Donostia to Casale Monferrato | 531.37 mi (855.17 km) |
| Donostia to Casale sul Sile | 722.16 mi (1,162.21 km) |
| Donostia to Casalecchio di Reno | 664.42 mi (1,069.29 km) |
| Donostia to Casalgrande | 637.71 mi (1,026.30 km) |
| Donostia to Casalmaggiore | 624.48 mi (1,005.00 km) |
| Donostia to Casalnuovo di Napoli | 851.78 mi (1,370.80 km) |
| Donostia to Casalpusterlengo | 589.17 mi (948.18 km) |
| Donostia to Casaluce | 842.64 mi (1,356.09 km) |
