| Santander to Cernavoda | 1,576.24 mi (2,536.71 km) |
| Santander to Chitila | 1,474.37 mi (2,372.76 km) |
| Santander to Cisnadie | 1,377.27 mi (2,216.50 km) |
| Santander to Cluj-Napoca | 1,347.69 mi (2,168.90 km) |
| Santander to Codlea | 1,439.59 mi (2,316.79 km) |
| Santander to Comanesti | 1,484.41 mi (2,388.93 km) |
| Santander to Comarnic | 1,451.52 mi (2,336.00 km) |
| Santander to Constanta | 1,607.45 mi (2,586.94 km) |
| Santander to Corabia | 1,409.21 mi (2,267.91 km) |
| Santander to Costesti | 1,419.17 mi (2,283.94 km) |
| Santander to Covasna | 1,474.40 mi (2,372.82 km) |
| Santander to Craiova | 1,370.00 mi (2,204.80 km) |
| Santander to Cristuru Secuiesc | 1,417.51 mi (2,281.26 km) |
| Santander to Cugir | 1,338.89 mi (2,154.74 km) |
| Santander to Cumpana | 1,604.29 mi (2,581.86 km) |
