| Green to Octeville | 3,741.43 mi (6,021.24 km) |
| Green to Oignies | 3,904.35 mi (6,283.44 km) |
| Green to Oissel | 3,861.36 mi (6,214.26 km) |
| Green to Olivet | 3,939.22 mi (6,339.57 km) |
| Green to Ollioules | 4,264.01 mi (6,862.26 km) |
| Green to Olonne-sur-Mer | 3,824.36 mi (6,154.71 km) |
| Green to Oloron-Sainte-Marie | 3,979.10 mi (6,403.74 km) |
| Green to Onet Village | 4,081.05 mi (6,567.81 km) |
| Green to Onnaing | 3,930.75 mi (6,325.93 km) |
| Green to Orange | 4,184.26 mi (6,733.92 km) |
| Green to Orchies | 3,914.11 mi (6,299.16 km) |
| Green to Orleans | 3,938.38 mi (6,338.21 km) |
| Green to Orly | 3,932.40 mi (6,328.59 km) |
| Green to Ormesson-sur-Marne | 3,937.06 mi (6,336.08 km) |
| Green to Orsay | 3,925.41 mi (6,317.34 km) |
