| Greenacres to Octeville | 4,339.72 mi (6,984.11 km) |
| Greenacres to Oignies | 4,529.81 mi (7,290.03 km) |
| Greenacres to Oissel | 4,463.96 mi (7,184.05 km) |
| Greenacres to Olivet | 4,522.42 mi (7,278.13 km) |
| Greenacres to Ollioules | 4,793.82 mi (7,714.90 km) |
| Greenacres to Olonne-sur-Mer | 4,373.60 mi (7,038.64 km) |
| Greenacres to Oloron-Sainte-Marie | 4,479.81 mi (7,209.55 km) |
| Greenacres to Onet Village | 4,614.12 mi (7,425.71 km) |
| Greenacres to Onnaing | 4,557.00 mi (7,333.78 km) |
| Greenacres to Orange | 4,723.88 mi (7,602.35 km) |
| Greenacres to Orchies | 4,540.47 mi (7,307.17 km) |
| Greenacres to Orleans | 4,522.19 mi (7,277.76 km) |
| Greenacres to Orly | 4,530.51 mi (7,291.15 km) |
| Greenacres to Ormesson-sur-Marne | 4,536.29 mi (7,300.46 km) |
| Greenacres to Orsay | 4,522.12 mi (7,277.64 km) |
