| Donostia to Cassina de' Pecchi | 579.60 mi (932.78 km) |
| Donostia to Cassino | 815.17 mi (1,311.89 km) |
| Donostia to Castagneto Carducci | 632.65 mi (1,018.16 km) |
| Donostia to Castano Primo | 551.64 mi (887.78 km) |
| Donostia to Castel Bolognese | 689.60 mi (1,109.80 km) |
| Donostia to Castel Gandolfo | 751.85 mi (1,209.99 km) |
| Donostia to Castel Goffredo | 630.09 mi (1,014.03 km) |
| Donostia to Castel Maggiore | 668.78 mi (1,076.30 km) |
| Donostia to Castel Mella | 616.69 mi (992.46 km) |
| Donostia to Castel San Giorgio | 871.96 mi (1,403.28 km) |
| Donostia to Castel San Giovanni | 577.46 mi (929.33 km) |
| Donostia to Castel San Pietro Terme | 679.02 mi (1,092.78 km) |
| Donostia to Castel Volturno | 827.49 mi (1,331.72 km) |
| Donostia to Castelbuono | 919.72 mi (1,480.15 km) |
| Donostia to Casteldaccia | 888.82 mi (1,430.43 km) |
