| Picayune to Orbetello | 5,328.99 mi (8,576.19 km) |
| Picayune to Oria | 5,681.93 mi (9,144.18 km) |
| Picayune to Oristano | 5,295.84 mi (8,522.82 km) |
| Picayune to Orta Nova | 5,566.55 mi (8,958.49 km) |
| Picayune to Orte | 5,380.00 mi (8,658.28 km) |
| Picayune to Ortona | 5,471.90 mi (8,806.18 km) |
| Picayune to Orvieto | 5,358.88 mi (8,624.29 km) |
| Picayune to Orzinuovi | 5,173.86 mi (8,326.52 km) |
| Picayune to Osimo | 5,391.55 mi (8,676.86 km) |
| Picayune to Ospitaletto | 5,174.72 mi (8,327.90 km) |
| Picayune to Ostuni | 5,670.77 mi (9,126.22 km) |
| Picayune to Ottaviano | 5,530.02 mi (8,899.71 km) |
| Picayune to Ovada | 5,143.15 mi (8,277.11 km) |
| Picayune to Ozieri | 5,292.19 mi (8,516.96 km) |
| Picayune to Paceco | 5,546.44 mi (8,926.14 km) |
