| Fort Pierce to Octeville | 4,310.23 mi (6,936.65 km) |
| Fort Pierce to Oignies | 4,498.99 mi (7,240.42 km) |
| Fort Pierce to Oissel | 4,434.40 mi (7,136.48 km) |
| Fort Pierce to Olivet | 4,494.10 mi (7,232.56 km) |
| Fort Pierce to Ollioules | 4,769.08 mi (7,675.09 km) |
| Fort Pierce to Olonne-sur-Mer | 4,347.06 mi (6,995.91 km) |
| Fort Pierce to Oloron-Sainte-Marie | 4,456.29 mi (7,171.70 km) |
| Fort Pierce to Onet Village | 4,588.91 mi (7,385.14 km) |
| Fort Pierce to Onnaing | 4,526.17 mi (7,284.16 km) |
| Fort Pierce to Orange | 4,698.45 mi (7,561.43 km) |
| Fort Pierce to Orchies | 4,509.60 mi (7,257.51 km) |
| Fort Pierce to Orleans | 4,493.83 mi (7,232.12 km) |
| Fort Pierce to Orly | 4,501.32 mi (7,244.17 km) |
| Fort Pierce to Ormesson-sur-Marne | 4,507.04 mi (7,253.38 km) |
| Fort Pierce to Orsay | 4,492.99 mi (7,230.78 km) |
