| Caldas de Reyes to Nasaud | 1,635.22 mi (2,631.63 km) |
| Caldas de Reyes to Navodari | 1,855.83 mi (2,986.67 km) |
| Caldas de Reyes to Negresti-Oas | 1,589.56 mi (2,558.16 km) |
| Caldas de Reyes to Nehoiu | 1,733.98 mi (2,790.58 km) |
| Caldas de Reyes to Ocna Mures | 1,611.19 mi (2,592.96 km) |
| Caldas de Reyes to Odobesti | 1,767.61 mi (2,844.69 km) |
| Caldas de Reyes to Odorheiu Secuiesc | 1,680.13 mi (2,703.91 km) |
| Caldas de Reyes to Oltenita | 1,761.85 mi (2,835.42 km) |
| Caldas de Reyes to Onesti | 1,750.29 mi (2,816.82 km) |
| Caldas de Reyes to Oradea | 1,518.53 mi (2,443.84 km) |
| Caldas de Reyes to Orastie | 1,581.54 mi (2,545.24 km) |
| Caldas de Reyes to Oravita | 1,512.07 mi (2,433.43 km) |
| Caldas de Reyes to Orsova | 1,548.63 mi (2,492.28 km) |
| Caldas de Reyes to Otelu Rosu | 1,542.12 mi (2,481.80 km) |
| Caldas de Reyes to Otopeni | 1,729.41 mi (2,783.22 km) |
