| San Ramon to Octeville | 5,387.99 mi (8,671.14 km) |
| San Ramon to Oignies | 5,484.95 mi (8,827.18 km) |
| San Ramon to Oissel | 5,486.54 mi (8,829.73 km) |
| San Ramon to Olivet | 5,587.13 mi (8,991.62 km) |
| San Ramon to Ollioules | 5,959.69 mi (9,591.19 km) |
| San Ramon to Olonne-sur-Mer | 5,537.22 mi (8,911.29 km) |
| San Ramon to Oloron-Sainte-Marie | 5,744.25 mi (9,244.48 km) |
| San Ramon to Onet Village | 5,790.63 mi (9,319.12 km) |
| San Ramon to Onnaing | 5,506.67 mi (8,862.12 km) |
| San Ramon to Orange | 5,873.42 mi (9,452.36 km) |
| San Ramon to Orchies | 5,491.92 mi (8,838.40 km) |
| San Ramon to Orleans | 5,585.40 mi (8,988.83 km) |
| San Ramon to Orly | 5,556.66 mi (8,942.58 km) |
| San Ramon to Ormesson-sur-Marne | 5,558.87 mi (8,946.14 km) |
| San Ramon to Orsay | 5,552.82 mi (8,936.41 km) |
