| Rijeka to Oignies | 637.21 mi (1,025.48 km) |
| Rijeka to Oissel | 682.66 mi (1,098.63 km) |
| Rijeka to Olivet | 619.84 mi (997.54 km) |
| Rijeka to Ollioules | 451.24 mi (726.20 km) |
| Rijeka to Olonne-sur-Mer | 782.23 mi (1,258.88 km) |
| Rijeka to Oloron-Sainte-Marie | 757.86 mi (1,219.66 km) |
| Rijeka to Onet Village | 583.63 mi (939.26 km) |
| Rijeka to Onnaing | 611.36 mi (983.89 km) |
| Rijeka to Orange | 479.52 mi (771.72 km) |
| Rijeka to Orchies | 627.83 mi (1,010.40 km) |
| Rijeka to Orleans | 620.01 mi (997.81 km) |
| Rijeka to Orly | 613.65 mi (987.57 km) |
| Rijeka to Ormesson-sur-Marne | 608.27 mi (978.92 km) |
| Rijeka to Orsay | 621.59 mi (1,000.36 km) |
| Rijeka to Orthez | 760.33 mi (1,223.63 km) |
