| Acerra to Octeville | 978.96 mi (1,575.49 km) |
| Acerra to Oignies | 854.57 mi (1,375.30 km) |
| Acerra to Oissel | 866.46 mi (1,394.43 km) |
| Acerra to Olivet | 777.37 mi (1,251.06 km) |
| Acerra to Ollioules | 462.33 mi (744.05 km) |
| Acerra to Olonne-sur-Mer | 891.07 mi (1,434.04 km) |
| Acerra to Oloron-Sainte-Marie | 782.32 mi (1,259.03 km) |
| Acerra to Onet Village | 642.34 mi (1,033.75 km) |
| Acerra to Onnaing | 832.23 mi (1,339.35 km) |
| Acerra to Orange | 533.61 mi (858.77 km) |
| Acerra to Orchies | 847.24 mi (1,363.50 km) |
| Acerra to Orleans | 778.51 mi (1,252.90 km) |
| Acerra to Orly | 794.55 mi (1,278.71 km) |
| Acerra to Ormesson-sur-Marne | 791.16 mi (1,273.26 km) |
| Acerra to Orsay | 800.00 mi (1,287.48 km) |
