| Green River to Octeville | 4,775.63 mi (7,685.63 km) |
| Green River to Oignies | 4,890.93 mi (7,871.19 km) |
| Green River to Oissel | 4,881.02 mi (7,855.24 km) |
| Green River to Olivet | 4,977.21 mi (8,010.04 km) |
| Green River to Ollioules | 5,342.18 mi (8,597.40 km) |
| Green River to Olonne-sur-Mer | 4,910.25 mi (7,902.29 km) |
| Green River to Oloron-Sainte-Marie | 5,106.67 mi (8,218.39 km) |
| Green River to Onet Village | 5,167.52 mi (8,316.32 km) |
| Green River to Onnaing | 4,914.20 mi (7,908.65 km) |
| Green River to Orange | 5,256.56 mi (8,459.62 km) |
| Green River to Orchies | 4,898.73 mi (7,883.75 km) |
| Green River to Orleans | 4,975.68 mi (8,007.58 km) |
| Green River to Orly | 4,952.39 mi (7,970.10 km) |
| Green River to Ormesson-sur-Marne | 4,955.26 mi (7,974.72 km) |
| Green River to Orsay | 4,947.68 mi (7,962.53 km) |
