| Donostia to Camas | 2,012.21 mi (3,238.34 km) |
| Donostia to Camliyayla | 1,959.29 mi (3,153.18 km) |
| Donostia to Camoluk | 2,090.07 mi (3,363.64 km) |
| Donostia to Can | 1,507.46 mi (2,426.03 km) |
| Donostia to Canakkale | 1,472.54 mi (2,369.82 km) |
| Donostia to Cankaya | 1,802.76 mi (2,901.26 km) |
| Donostia to Cankiri | 1,824.77 mi (2,936.68 km) |
| Donostia to Cardak | 1,693.36 mi (2,725.20 km) |
| Donostia to Carsamba | 1,967.02 mi (3,165.61 km) |
| Donostia to Carsibasi | 2,101.05 mi (3,381.31 km) |
| Donostia to Cat | 2,214.27 mi (3,563.53 km) |
| Donostia to Catalagzi | 1,719.39 mi (2,767.10 km) |
| Donostia to Catalca | 1,556.03 mi (2,504.20 km) |
| Donostia to Catalpinar | 2,009.78 mi (3,234.43 km) |
| Donostia to Cavdir | 1,712.84 mi (2,756.55 km) |
