| Greenwood to Octeville | 3,989.35 mi (6,420.24 km) |
| Greenwood to Oignies | 4,148.57 mi (6,676.48 km) |
| Greenwood to Oissel | 4,108.42 mi (6,611.87 km) |
| Greenwood to Olivet | 4,188.11 mi (6,740.11 km) |
| Greenwood to Ollioules | 4,516.87 mi (7,269.21 km) |
| Greenwood to Olonne-sur-Mer | 4,076.73 mi (6,560.86 km) |
| Greenwood to Oloron-Sainte-Marie | 4,234.70 mi (6,815.09 km) |
| Greenwood to Onet Village | 4,334.09 mi (6,975.04 km) |
| Greenwood to Onnaing | 4,174.78 mi (6,718.66 km) |
| Greenwood to Orange | 4,436.52 mi (7,139.88 km) |
| Greenwood to Orchies | 4,158.19 mi (6,691.96 km) |
| Greenwood to Orleans | 4,187.20 mi (6,738.65 km) |
| Greenwood to Orly | 4,179.73 mi (6,726.63 km) |
| Greenwood to Ormesson-sur-Marne | 4,184.25 mi (6,733.89 km) |
| Greenwood to Orsay | 4,172.92 mi (6,715.66 km) |
