| Fairmount to Octeville | 3,439.82 mi (5,535.86 km) |
| Fairmount to Oignies | 3,604.94 mi (5,801.59 km) |
| Fairmount to Oissel | 3,560.22 mi (5,729.61 km) |
| Fairmount to Olivet | 3,637.04 mi (5,853.26 km) |
| Fairmount to Ollioules | 3,960.00 mi (6,373.01 km) |
| Fairmount to Olonne-sur-Mer | 3,520.58 mi (5,665.82 km) |
| Fairmount to Oloron-Sainte-Marie | 3,674.38 mi (5,913.35 km) |
| Fairmount to Onet Village | 3,776.99 mi (6,078.48 km) |
| Fairmount to Onnaing | 3,631.45 mi (5,844.25 km) |
| Fairmount to Orange | 3,880.49 mi (6,245.04 km) |
| Fairmount to Orchies | 3,614.79 mi (5,817.45 km) |
| Fairmount to Orleans | 3,636.23 mi (5,851.95 km) |
| Fairmount to Orly | 3,631.08 mi (5,843.66 km) |
| Fairmount to Ormesson-sur-Marne | 3,635.81 mi (5,851.28 km) |
| Fairmount to Orsay | 3,623.99 mi (5,832.26 km) |
