| Pottsville to Orbetello | 4,303.63 mi (6,926.02 km) |
| Pottsville to Oria | 4,655.21 mi (7,491.84 km) |
| Pottsville to Oristano | 4,277.44 mi (6,883.88 km) |
| Pottsville to Orta Nova | 4,539.98 mi (7,306.39 km) |
| Pottsville to Orte | 4,353.93 mi (7,006.97 km) |
| Pottsville to Ortona | 4,444.92 mi (7,153.41 km) |
| Pottsville to Orvieto | 4,332.64 mi (6,972.71 km) |
| Pottsville to Orzinuovi | 4,145.85 mi (6,672.10 km) |
| Pottsville to Osimo | 4,363.90 mi (7,023.02 km) |
| Pottsville to Ospitaletto | 4,146.56 mi (6,673.24 km) |
| Pottsville to Ostuni | 4,643.84 mi (7,473.54 km) |
| Pottsville to Ottaviano | 4,504.78 mi (7,249.74 km) |
| Pottsville to Ovada | 4,116.33 mi (6,624.60 km) |
| Pottsville to Ozieri | 4,271.84 mi (6,874.87 km) |
| Pottsville to Paceco | 4,528.18 mi (7,287.41 km) |
