| Greenlawn to Octeville | 3,406.37 mi (5,482.02 km) |
| Greenlawn to Oignies | 3,580.36 mi (5,762.03 km) |
| Greenlawn to Oissel | 3,528.60 mi (5,678.73 km) |
| Greenlawn to Olivet | 3,600.11 mi (5,793.82 km) |
| Greenlawn to Ollioules | 3,909.83 mi (6,292.26 km) |
| Greenlawn to Olonne-sur-Mer | 3,473.44 mi (5,589.96 km) |
| Greenlawn to Oloron-Sainte-Marie | 3,614.98 mi (5,817.75 km) |
| Greenlawn to Onet Village | 3,726.77 mi (5,997.66 km) |
| Greenlawn to Onnaing | 3,607.21 mi (5,805.25 km) |
| Greenlawn to Orange | 3,832.56 mi (6,167.91 km) |
| Greenlawn to Orchies | 3,590.52 mi (5,778.38 km) |
| Greenlawn to Orleans | 3,599.47 mi (5,792.79 km) |
| Greenlawn to Orly | 3,598.46 mi (5,791.16 km) |
| Greenlawn to Ormesson-sur-Marne | 3,603.54 mi (5,799.34 km) |
| Greenlawn to Orsay | 3,590.93 mi (5,779.04 km) |
