| Vlissingen to Orbetello | 718.59 mi (1,156.46 km) |
| Vlissingen to Oria | 1,010.74 mi (1,626.62 km) |
| Vlissingen to Oristano | 833.19 mi (1,340.89 km) |
| Vlissingen to Orta Nova | 905.21 mi (1,456.79 km) |
| Vlissingen to Orte | 746.35 mi (1,201.14 km) |
| Vlissingen to Ortona | 808.73 mi (1,301.52 km) |
| Vlissingen to Orvieto | 723.86 mi (1,164.95 km) |
| Vlissingen to Orzinuovi | 509.43 mi (819.85 km) |
| Vlissingen to Osimo | 718.10 mi (1,155.67 km) |
| Vlissingen to Ospitaletto | 504.16 mi (811.37 km) |
| Vlissingen to Ostuni | 996.29 mi (1,603.38 km) |
| Vlissingen to Ottaviano | 897.44 mi (1,444.29 km) |
| Vlissingen to Ovada | 525.53 mi (845.75 km) |
| Vlissingen to Ozieri | 794.18 mi (1,278.10 km) |
| Vlissingen to Paceco | 1,027.88 mi (1,654.22 km) |
