| Santurce-Antiguo to Cernavoda | 1,540.57 mi (2,479.30 km) |
| Santurce-Antiguo to Chitila | 1,438.66 mi (2,315.30 km) |
| Santurce-Antiguo to Cisnadie | 1,342.58 mi (2,160.68 km) |
| Santurce-Antiguo to Cluj-Napoca | 1,314.13 mi (2,114.89 km) |
| Santurce-Antiguo to Codlea | 1,404.94 mi (2,261.03 km) |
| Santurce-Antiguo to Comanesti | 1,450.54 mi (2,334.42 km) |
| Santurce-Antiguo to Comarnic | 1,416.46 mi (2,279.58 km) |
| Santurce-Antiguo to Constanta | 1,571.70 mi (2,529.40 km) |
| Santurce-Antiguo to Corabia | 1,372.77 mi (2,209.26 km) |
| Santurce-Antiguo to Costesti | 1,383.53 mi (2,226.57 km) |
| Santurce-Antiguo to Covasna | 1,439.94 mi (2,317.36 km) |
| Santurce-Antiguo to Craiova | 1,333.97 mi (2,146.83 km) |
| Santurce-Antiguo to Cristuru Secuiesc | 1,383.45 mi (2,226.45 km) |
| Santurce-Antiguo to Cugir | 1,304.32 mi (2,099.09 km) |
| Santurce-Antiguo to Cumpana | 1,568.49 mi (2,524.24 km) |
