| Pilis to Octeville | 980.83 mi (1,578.50 km) |
| Pilis to Oignies | 781.69 mi (1,258.01 km) |
| Pilis to Oissel | 857.49 mi (1,380.00 km) |
| Pilis to Olivet | 821.57 mi (1,322.19 km) |
| Pilis to Ollioules | 724.32 mi (1,165.68 km) |
| Pilis to Olonne-sur-Mer | 1,004.33 mi (1,616.31 km) |
| Pilis to Oloron-Sainte-Marie | 1,016.99 mi (1,636.69 km) |
| Pilis to Onet Village | 838.80 mi (1,349.92 km) |
| Pilis to Onnaing | 754.51 mi (1,214.27 km) |
| Pilis to Orange | 742.02 mi (1,194.17 km) |
| Pilis to Orchies | 770.91 mi (1,240.66 km) |
| Pilis to Orleans | 821.01 mi (1,321.29 km) |
| Pilis to Orly | 797.36 mi (1,283.23 km) |
| Pilis to Ormesson-sur-Marne | 790.79 mi (1,272.65 km) |
| Pilis to Orsay | 806.69 mi (1,298.24 km) |
