| Port Charlotte to Octeville | 4,408.94 mi (7,095.51 km) |
| Port Charlotte to Oignies | 4,596.10 mi (7,396.70 km) |
| Port Charlotte to Oissel | 4,533.00 mi (7,295.17 km) |
| Port Charlotte to Olivet | 4,594.05 mi (7,393.41 km) |
| Port Charlotte to Ollioules | 4,872.47 mi (7,841.48 km) |
| Port Charlotte to Olonne-sur-Mer | 4,448.84 mi (7,159.71 km) |
| Port Charlotte to Oloron-Sainte-Marie | 4,560.77 mi (7,339.85 km) |
| Port Charlotte to Onet Village | 4,691.90 mi (7,550.89 km) |
| Port Charlotte to Onnaing | 4,623.26 mi (7,440.41 km) |
| Port Charlotte to Orange | 4,801.23 mi (7,726.84 km) |
| Port Charlotte to Orchies | 4,606.66 mi (7,413.71 km) |
| Port Charlotte to Orleans | 4,593.74 mi (7,392.91 km) |
| Port Charlotte to Orly | 4,600.31 mi (7,403.49 km) |
| Port Charlotte to Ormesson-sur-Marne | 4,605.97 mi (7,412.60 km) |
| Port Charlotte to Orsay | 4,592.07 mi (7,390.23 km) |
