| Natchez to Orbetello | 5,357.19 mi (8,621.56 km) |
| Natchez to Oria | 5,708.05 mi (9,186.22 km) |
| Natchez to Oristano | 5,330.81 mi (8,579.11 km) |
| Natchez to Orta Nova | 5,592.94 mi (9,000.96 km) |
| Natchez to Orte | 5,407.20 mi (8,702.04 km) |
| Natchez to Ortona | 5,497.61 mi (8,847.55 km) |
| Natchez to Orvieto | 5,385.83 mi (8,667.66 km) |
| Natchez to Orzinuovi | 5,197.50 mi (8,364.56 km) |
| Natchez to Osimo | 5,415.97 mi (8,716.16 km) |
| Natchez to Ospitaletto | 5,197.95 mi (8,365.30 km) |
| Natchez to Ostuni | 5,696.53 mi (9,167.67 km) |
| Natchez to Ottaviano | 5,558.35 mi (8,945.30 km) |
| Natchez to Ovada | 5,169.21 mi (8,319.04 km) |
| Natchez to Ozieri | 5,325.59 mi (8,570.70 km) |
| Natchez to Paceco | 5,581.55 mi (8,982.64 km) |
