| Rexburg to Orbetello | 5,513.06 mi (8,872.42 km) |
| Rexburg to Oria | 5,816.76 mi (9,361.17 km) |
| Rexburg to Oristano | 5,565.08 mi (8,956.13 km) |
| Rexburg to Orta Nova | 5,712.48 mi (9,193.35 km) |
| Rexburg to Orte | 5,548.43 mi (8,929.33 km) |
| Rexburg to Ortona | 5,615.91 mi (9,037.94 km) |
| Rexburg to Orvieto | 5,525.75 mi (8,892.83 km) |
| Rexburg to Orzinuovi | 5,313.34 mi (8,550.99 km) |
| Rexburg to Osimo | 5,525.37 mi (8,892.22 km) |
| Rexburg to Ospitaletto | 5,309.27 mi (8,544.45 km) |
| Rexburg to Ostuni | 5,801.94 mi (9,337.32 km) |
| Rexburg to Ottaviano | 5,702.11 mi (9,176.66 km) |
| Rexburg to Ovada | 5,314.10 mi (8,552.22 km) |
| Rexburg to Ozieri | 5,542.32 mi (8,919.50 km) |
| Rexburg to Paceco | 5,800.61 mi (9,335.18 km) |
