| North Branch to Octeville | 3,992.64 mi (6,425.54 km) |
| North Branch to Oignies | 4,127.36 mi (6,642.35 km) |
| North Branch to Oissel | 4,104.57 mi (6,605.66 km) |
| North Branch to Olivet | 4,194.78 mi (6,750.85 km) |
| North Branch to Ollioules | 4,548.04 mi (7,319.36 km) |
| North Branch to Olonne-sur-Mer | 4,109.77 mi (6,614.04 km) |
| North Branch to Oloron-Sainte-Marie | 4,293.34 mi (6,909.47 km) |
| North Branch to Onet Village | 4,368.97 mi (7,031.18 km) |
| North Branch to Onnaing | 4,152.12 mi (6,682.19 km) |
| North Branch to Orange | 4,463.88 mi (7,183.92 km) |
| North Branch to Orchies | 4,136.02 mi (6,656.28 km) |
| North Branch to Orleans | 4,193.49 mi (6,748.78 km) |
| North Branch to Orly | 4,176.53 mi (6,721.48 km) |
| North Branch to Ormesson-sur-Marne | 4,180.11 mi (6,727.24 km) |
| North Branch to Orsay | 4,170.91 mi (6,712.43 km) |
