| Natchitoches to Oerlinghausen | 4,981.37 mi (8,016.75 km) |
| Natchitoches to Oestrich-Winkel | 5,021.89 mi (8,081.94 km) |
| Natchitoches to Offenburg | 5,070.99 mi (8,160.97 km) |
| Natchitoches to Oftersheim | 5,065.97 mi (8,152.89 km) |
| Natchitoches to Ohrdruf | 5,097.76 mi (8,204.05 km) |
| Natchitoches to Ohringen | 5,107.60 mi (8,219.89 km) |
| Natchitoches to Olbernhau | 5,200.45 mi (8,369.31 km) |
| Natchitoches to Olching | 5,214.19 mi (8,391.42 km) |
| Natchitoches to Oldenburg | 4,925.71 mi (7,927.17 km) |
| Natchitoches to Oldenburg in Holstein | 4,982.28 mi (8,018.21 km) |
| Natchitoches to Olfen | 4,941.50 mi (7,952.58 km) |
| Natchitoches to Olpe | 4,981.58 mi (8,017.07 km) |
| Natchitoches to Olsberg | 4,995.14 mi (8,038.90 km) |
| Natchitoches to Oranienburg | 5,120.06 mi (8,239.94 km) |
| Natchitoches to Ortenberg | 5,050.54 mi (8,128.06 km) |
