| North Port to Octeville | 4,409.42 mi (7,096.27 km) |
| North Port to Oignies | 4,596.37 mi (7,397.15 km) |
| North Port to Oissel | 4,533.46 mi (7,295.91 km) |
| North Port to Olivet | 4,594.68 mi (7,394.42 km) |
| North Port to Ollioules | 4,873.57 mi (7,843.25 km) |
| North Port to Olonne-sur-Mer | 4,449.72 mi (7,161.13 km) |
| North Port to Oloron-Sainte-Marie | 4,562.04 mi (7,341.90 km) |
| North Port to Onet Village | 4,692.95 mi (7,552.58 km) |
| North Port to Onnaing | 4,623.53 mi (7,440.86 km) |
| North Port to Orange | 4,802.25 mi (7,728.47 km) |
| North Port to Orchies | 4,606.93 mi (7,414.14 km) |
| North Port to Orleans | 4,594.37 mi (7,393.92 km) |
| North Port to Orly | 4,600.82 mi (7,404.31 km) |
| North Port to Ormesson-sur-Marne | 4,606.47 mi (7,413.40 km) |
| North Port to Orsay | 4,592.59 mi (7,391.06 km) |
