| Vicksburg to Orbetello | 5,299.53 mi (8,528.77 km) |
| Vicksburg to Oria | 5,650.03 mi (9,092.84 km) |
| Vicksburg to Oristano | 5,274.38 mi (8,488.29 km) |
| Vicksburg to Orta Nova | 5,534.97 mi (8,907.67 km) |
| Vicksburg to Orte | 5,349.37 mi (8,608.99 km) |
| Vicksburg to Ortona | 5,439.54 mi (8,754.10 km) |
| Vicksburg to Orvieto | 5,327.97 mi (8,574.54 km) |
| Vicksburg to Orzinuovi | 5,139.14 mi (8,270.65 km) |
| Vicksburg to Osimo | 5,357.71 mi (8,622.41 km) |
| Vicksburg to Ospitaletto | 5,139.54 mi (8,271.30 km) |
| Vicksburg to Ostuni | 5,638.45 mi (9,074.21 km) |
| Vicksburg to Ottaviano | 5,500.70 mi (8,852.52 km) |
| Vicksburg to Ovada | 5,111.22 mi (8,225.72 km) |
| Vicksburg to Ozieri | 5,268.85 mi (8,479.40 km) |
| Vicksburg to Paceco | 5,525.12 mi (8,891.82 km) |
