| Natchitoches to Octeville | 4,646.57 mi (7,477.94 km) |
| Natchitoches to Oignies | 4,810.44 mi (7,741.66 km) |
| Natchitoches to Oissel | 4,766.86 mi (7,671.51 km) |
| Natchitoches to Olivet | 4,843.78 mi (7,795.31 km) |
| Natchitoches to Ollioules | 5,164.31 mi (8,311.15 km) |
| Natchitoches to Olonne-sur-Mer | 4,725.64 mi (7,605.18 km) |
| Natchitoches to Oloron-Sainte-Marie | 4,874.28 mi (7,844.40 km) |
| Natchitoches to Onet Village | 4,981.20 mi (8,016.47 km) |
| Natchitoches to Onnaing | 4,836.85 mi (7,784.16 km) |
| Natchitoches to Orange | 5,085.48 mi (8,184.29 km) |
| Natchitoches to Orchies | 4,820.21 mi (7,757.38 km) |
| Natchitoches to Orleans | 4,842.97 mi (7,794.01 km) |
| Natchitoches to Orly | 4,837.78 mi (7,785.65 km) |
| Natchitoches to Ormesson-sur-Marne | 4,842.49 mi (7,793.23 km) |
| Natchitoches to Orsay | 4,830.72 mi (7,774.28 km) |
