| Gunbarrel to Octeville | 4,699.32 mi (7,562.83 km) |
| Gunbarrel to Oignies | 4,825.83 mi (7,766.43 km) |
| Gunbarrel to Oissel | 4,808.68 mi (7,738.81 km) |
| Gunbarrel to Olivet | 4,901.51 mi (7,888.22 km) |
| Gunbarrel to Ollioules | 5,259.74 mi (8,464.74 km) |
| Gunbarrel to Olonne-sur-Mer | 4,823.30 mi (7,762.36 km) |
| Gunbarrel to Oloron-Sainte-Marie | 5,011.20 mi (8,064.75 km) |
| Gunbarrel to Onet Village | 5,082.08 mi (8,178.82 km) |
| Gunbarrel to Onnaing | 4,849.96 mi (7,805.25 km) |
| Gunbarrel to Orange | 5,174.96 mi (8,328.29 km) |
| Gunbarrel to Orchies | 4,834.12 mi (7,779.77 km) |
| Gunbarrel to Orleans | 4,900.12 mi (7,885.99 km) |
| Gunbarrel to Orly | 4,880.49 mi (7,854.39 km) |
| Gunbarrel to Ormesson-sur-Marne | 4,883.78 mi (7,859.68 km) |
| Gunbarrel to Orsay | 4,875.25 mi (7,845.96 km) |
