| Ostroleka to Octeville | 1,024.54 mi (1,648.83 km) |
| Ostroleka to Oignies | 811.69 mi (1,306.29 km) |
| Ostroleka to Oissel | 919.37 mi (1,479.59 km) |
| Ostroleka to Olivet | 932.84 mi (1,501.26 km) |
| Ostroleka to Ollioules | 994.23 mi (1,600.06 km) |
| Ostroleka to Olonne-sur-Mer | 1,127.87 mi (1,815.13 km) |
| Ostroleka to Oloron-Sainte-Marie | 1,221.21 mi (1,965.35 km) |
| Ostroleka to Onet Village | 1,048.15 mi (1,686.84 km) |
| Ostroleka to Onnaing | 788.67 mi (1,269.24 km) |
| Ostroleka to Orange | 979.09 mi (1,575.69 km) |
| Ostroleka to Orchies | 801.21 mi (1,289.42 km) |
| Ostroleka to Orleans | 931.17 mi (1,498.57 km) |
| Ostroleka to Orly | 883.95 mi (1,422.58 km) |
| Ostroleka to Ormesson-sur-Marne | 876.73 mi (1,410.96 km) |
| Ostroleka to Orsay | 893.72 mi (1,438.31 km) |
