| Grenada to Octeville | 4,411.26 mi (7,099.24 km) |
| Grenada to Oignies | 4,576.55 mi (7,365.24 km) |
| Grenada to Oissel | 4,531.84 mi (7,293.29 km) |
| Grenada to Olivet | 4,608.07 mi (7,415.98 km) |
| Grenada to Ollioules | 4,927.31 mi (7,929.73 km) |
| Grenada to Olonne-sur-Mer | 4,488.86 mi (7,224.12 km) |
| Grenada to Oloron-Sainte-Marie | 4,636.78 mi (7,462.17 km) |
| Grenada to Onet Village | 4,744.19 mi (7,635.04 km) |
| Grenada to Onnaing | 4,603.03 mi (7,407.85 km) |
| Grenada to Orange | 4,848.66 mi (7,803.16 km) |
| Grenada to Orchies | 4,586.37 mi (7,381.06 km) |
| Grenada to Orleans | 4,607.29 mi (7,414.71 km) |
| Grenada to Orly | 4,602.64 mi (7,407.23 km) |
| Grenada to Ormesson-sur-Marne | 4,607.40 mi (7,414.89 km) |
| Grenada to Orsay | 4,595.51 mi (7,395.76 km) |
