| Sisak to Oignies | 706.76 mi (1,137.43 km) |
| Sisak to Oissel | 760.99 mi (1,224.70 km) |
| Sisak to Olivet | 704.46 mi (1,133.72 km) |
| Sisak to Ollioules | 544.76 mi (876.71 km) |
| Sisak to Olonne-sur-Mer | 871.97 mi (1,403.30 km) |
| Sisak to Oloron-Sainte-Marie | 852.34 mi (1,371.71 km) |
| Sisak to Onet Village | 677.82 mi (1,090.84 km) |
| Sisak to Onnaing | 680.21 mi (1,094.70 km) |
| Sisak to Orange | 574.02 mi (923.80 km) |
| Sisak to Orchies | 696.87 mi (1,121.51 km) |
| Sisak to Orleans | 704.46 mi (1,133.72 km) |
| Sisak to Orly | 693.72 mi (1,116.43 km) |
| Sisak to Ormesson-sur-Marne | 687.98 mi (1,107.20 km) |
| Sisak to Orsay | 702.09 mi (1,129.91 km) |
| Sisak to Orthez | 854.70 mi (1,375.51 km) |
