| Sarno to Octeville | 994.79 mi (1,600.96 km) |
| Sarno to Oignies | 869.70 mi (1,399.64 km) |
| Sarno to Oissel | 882.13 mi (1,419.66 km) |
| Sarno to Olivet | 793.23 mi (1,276.59 km) |
| Sarno to Ollioules | 477.90 mi (769.11 km) |
| Sarno to Olonne-sur-Mer | 907.01 mi (1,459.70 km) |
| Sarno to Oloron-Sainte-Marie | 797.47 mi (1,283.41 km) |
| Sarno to Onet Village | 658.10 mi (1,059.11 km) |
| Sarno to Onnaing | 847.26 mi (1,363.53 km) |
| Sarno to Orange | 549.46 mi (884.27 km) |
| Sarno to Orchies | 862.31 mi (1,387.75 km) |
| Sarno to Orleans | 794.37 mi (1,278.42 km) |
| Sarno to Orly | 810.21 mi (1,303.91 km) |
| Sarno to Ormesson-sur-Marne | 806.80 mi (1,298.42 km) |
| Sarno to Orsay | 815.70 mi (1,312.74 km) |
