| Northport to Octeville | 4,343.92 mi (6,990.86 km) |
| Northport to Oignies | 4,513.49 mi (7,263.75 km) |
| Northport to Oissel | 4,465.40 mi (7,186.36 km) |
| Northport to Olivet | 4,539.15 mi (7,305.06 km) |
| Northport to Ollioules | 4,852.12 mi (7,808.73 km) |
| Northport to Olonne-sur-Mer | 4,415.19 mi (7,105.57 km) |
| Northport to Oloron-Sainte-Marie | 4,557.45 mi (7,334.50 km) |
| Northport to Onet Village | 4,669.04 mi (7,514.09 km) |
| Northport to Onnaing | 4,540.15 mi (7,306.67 km) |
| Northport to Orange | 4,774.55 mi (7,683.89 km) |
| Northport to Orchies | 4,523.47 mi (7,279.82 km) |
| Northport to Orleans | 4,538.45 mi (7,303.93 km) |
| Northport to Orly | 4,535.75 mi (7,299.59 km) |
| Northport to Ormesson-sur-Marne | 4,540.68 mi (7,307.52 km) |
| Northport to Orsay | 4,528.41 mi (7,287.78 km) |
