| Boone to Octeville | 3,957.31 mi (6,368.67 km) |
| Boone to Oignies | 4,129.88 mi (6,646.40 km) |
| Boone to Oissel | 4,079.33 mi (6,565.05 km) |
| Boone to Olivet | 4,151.42 mi (6,681.07 km) |
| Boone to Ollioules | 4,461.00 mi (7,179.29 km) |
| Boone to Olonne-sur-Mer | 4,024.89 mi (6,477.44 km) |
| Boone to Oloron-Sainte-Marie | 4,164.91 mi (6,702.78 km) |
| Boone to Onet Village | 4,277.98 mi (6,884.75 km) |
| Boone to Onnaing | 4,156.67 mi (6,689.52 km) |
| Boone to Orange | 4,383.93 mi (7,055.25 km) |
| Boone to Orchies | 4,139.98 mi (6,662.66 km) |
| Boone to Orleans | 4,150.77 mi (6,680.02 km) |
| Boone to Orly | 4,149.34 mi (6,677.72 km) |
| Boone to Ormesson-sur-Marne | 4,154.39 mi (6,685.84 km) |
| Boone to Orsay | 4,141.86 mi (6,665.69 km) |
