| Marostica to Octeville | 672.98 mi (1,083.06 km) |
| Marostica to Oignies | 515.38 mi (829.42 km) |
| Marostica to Oissel | 551.14 mi (886.97 km) |
| Marostica to Olivet | 483.60 mi (778.28 km) |
| Marostica to Ollioules | 338.28 mi (544.41 km) |
| Marostica to Olonne-sur-Mer | 644.39 mi (1,037.04 km) |
| Marostica to Oloron-Sainte-Marie | 629.04 mi (1,012.34 km) |
| Marostica to Onet Village | 452.18 mi (727.72 km) |
| Marostica to Onnaing | 490.71 mi (789.72 km) |
| Marostica to Orange | 352.59 mi (567.44 km) |
| Marostica to Orchies | 506.74 mi (815.51 km) |
| Marostica to Orleans | 483.88 mi (778.72 km) |
| Marostica to Orly | 480.89 mi (773.92 km) |
| Marostica to Ormesson-sur-Marne | 475.87 mi (765.83 km) |
| Marostica to Orsay | 488.43 mi (786.05 km) |
