| Cattolica to Navodari | 786.49 mi (1,265.74 km) |
| Cattolica to Negresti-Oas | 579.62 mi (932.81 km) |
| Cattolica to Nehoiu | 673.00 mi (1,083.09 km) |
| Cattolica to Ocna Mures | 566.63 mi (911.90 km) |
| Cattolica to Odobesti | 711.83 mi (1,145.57 km) |
| Cattolica to Odorheiu Secuiesc | 632.88 mi (1,018.52 km) |
| Cattolica to Oltenita | 689.94 mi (1,110.35 km) |
| Cattolica to Onesti | 701.46 mi (1,128.88 km) |
| Cattolica to Oradea | 493.42 mi (794.09 km) |
| Cattolica to Orastie | 528.02 mi (849.77 km) |
| Cattolica to Oravita | 447.09 mi (719.52 km) |
| Cattolica to Orsova | 480.03 mi (772.53 km) |
| Cattolica to Otelu Rosu | 483.78 mi (778.57 km) |
| Cattolica to Otopeni | 660.45 mi (1,062.90 km) |
| Cattolica to Ovidiu | 784.10 mi (1,261.89 km) |
