| Castel Goffredo to Navodari | 889.78 mi (1,431.96 km) |
| Castel Goffredo to Negresti-Oas | 639.19 mi (1,028.68 km) |
| Castel Goffredo to Nehoiu | 767.76 mi (1,235.59 km) |
| Castel Goffredo to Ocna Mures | 647.85 mi (1,042.61 km) |
| Castel Goffredo to Odobesti | 802.25 mi (1,291.10 km) |
| Castel Goffredo to Odorheiu Secuiesc | 716.50 mi (1,153.09 km) |
| Castel Goffredo to Oltenita | 796.87 mi (1,282.44 km) |
| Castel Goffredo to Onesti | 786.59 mi (1,265.89 km) |
| Castel Goffredo to Oradea | 560.53 mi (902.08 km) |
| Castel Goffredo to Orastie | 615.96 mi (991.30 km) |
| Castel Goffredo to Oravita | 545.92 mi (878.58 km) |
| Castel Goffredo to Orsova | 583.11 mi (938.43 km) |
| Castel Goffredo to Otelu Rosu | 575.83 mi (926.71 km) |
| Castel Goffredo to Otopeni | 763.48 mi (1,228.70 km) |
| Castel Goffredo to Ovidiu | 887.85 mi (1,428.86 km) |
