| Gardnerville Ranchos to Octeville | 5,255.43 mi (8,457.80 km) |
| Gardnerville Ranchos to Oignies | 5,355.06 mi (8,618.14 km) |
| Gardnerville Ranchos to Oissel | 5,354.99 mi (8,618.03 km) |
| Gardnerville Ranchos to Olivet | 5,455.02 mi (8,779.01 km) |
| Gardnerville Ranchos to Ollioules | 5,826.70 mi (9,377.17 km) |
| Gardnerville Ranchos to Olonne-sur-Mer | 5,402.73 mi (8,694.86 km) |
| Gardnerville Ranchos to Oloron-Sainte-Marie | 5,608.44 mi (9,025.92 km) |
| Gardnerville Ranchos to Onet Village | 5,656.78 mi (9,103.71 km) |
| Gardnerville Ranchos to Onnaing | 5,377.02 mi (8,653.47 km) |
| Gardnerville Ranchos to Orange | 5,740.49 mi (9,238.42 km) |
| Gardnerville Ranchos to Orchies | 5,362.16 mi (8,629.56 km) |
| Gardnerville Ranchos to Orleans | 5,453.32 mi (8,776.27 km) |
| Gardnerville Ranchos to Orly | 5,425.33 mi (8,731.23 km) |
| Gardnerville Ranchos to Ormesson-sur-Marne | 5,427.64 mi (8,734.95 km) |
| Gardnerville Ranchos to Orsay | 5,421.37 mi (8,724.86 km) |
