| Pahrump to Orbetello | 6,065.00 mi (9,760.67 km) |
| Pahrump to Oria | 6,374.77 mi (10,259.21 km) |
| Pahrump to Oristano | 6,108.33 mi (9,830.41 km) |
| Pahrump to Orta Nova | 6,269.03 mi (10,089.03 km) |
| Pahrump to Orte | 6,102.05 mi (9,820.30 km) |
| Pahrump to Ortona | 6,172.08 mi (9,933.00 km) |
| Pahrump to Orvieto | 6,079.37 mi (9,783.80 km) |
| Pahrump to Orzinuovi | 5,868.10 mi (9,443.79 km) |
| Pahrump to Osimo | 6,081.86 mi (9,787.81 km) |
| Pahrump to Ospitaletto | 5,864.44 mi (9,437.90 km) |
| Pahrump to Ostuni | 6,360.16 mi (10,235.69 km) |
| Pahrump to Ottaviano | 6,256.34 mi (10,068.60 km) |
| Pahrump to Ovada | 5,865.99 mi (9,440.39 km) |
| Pahrump to Ozieri | 6,087.59 mi (9,797.03 km) |
| Pahrump to Paceco | 6,347.30 mi (10,214.99 km) |
