| Piastow to Octeville | 991.64 mi (1,595.89 km) |
| Piastow to Oignies | 777.95 mi (1,252.00 km) |
| Piastow to Oissel | 882.58 mi (1,420.37 km) |
| Piastow to Olivet | 889.43 mi (1,431.40 km) |
| Piastow to Ollioules | 933.66 mi (1,502.57 km) |
| Piastow to Olonne-sur-Mer | 1,084.73 mi (1,745.71 km) |
| Piastow to Oloron-Sainte-Marie | 1,168.70 mi (1,880.84 km) |
| Piastow to Onet Village | 994.00 mi (1,599.69 km) |
| Piastow to Onnaing | 753.90 mi (1,213.29 km) |
| Piastow to Orange | 921.55 mi (1,483.09 km) |
| Piastow to Orchies | 767.24 mi (1,234.75 km) |
| Piastow to Orleans | 887.89 mi (1,428.91 km) |
| Piastow to Orly | 843.22 mi (1,357.03 km) |
| Piastow to Ormesson-sur-Marne | 835.99 mi (1,345.39 km) |
| Piastow to Orsay | 853.07 mi (1,372.88 km) |
