| Castelfranco Emilia to Navodari | 864.54 mi (1,391.35 km) |
| Castelfranco Emilia to Negresti-Oas | 632.16 mi (1,017.36 km) |
| Castelfranco Emilia to Nehoiu | 746.20 mi (1,200.89 km) |
| Castelfranco Emilia to Ocna Mures | 631.81 mi (1,016.80 km) |
| Castelfranco Emilia to Odobesti | 782.74 mi (1,259.71 km) |
| Castelfranco Emilia to Odorheiu Secuiesc | 699.72 mi (1,126.08 km) |
| Castelfranco Emilia to Oltenita | 769.70 mi (1,238.72 km) |
| Castelfranco Emilia to Onesti | 769.38 mi (1,238.20 km) |
| Castelfranco Emilia to Oradea | 549.90 mi (884.98 km) |
| Castelfranco Emilia to Orastie | 596.86 mi (960.55 km) |
| Castelfranco Emilia to Oravita | 521.63 mi (839.49 km) |
| Castelfranco Emilia to Orsova | 557.08 mi (896.54 km) |
| Castelfranco Emilia to Otelu Rosu | 554.72 mi (892.73 km) |
| Castelfranco Emilia to Otopeni | 738.09 mi (1,187.84 km) |
| Castelfranco Emilia to Ovidiu | 862.39 mi (1,387.89 km) |
