| Prunedale to Orbetello | 6,209.28 mi (9,992.87 km) |
| Prunedale to Oria | 6,505.28 mi (10,469.24 km) |
| Prunedale to Oristano | 6,267.77 mi (10,087.00 km) |
| Prunedale to Orta Nova | 6,403.21 mi (10,304.98 km) |
| Prunedale to Orte | 6,242.88 mi (10,046.95 km) |
| Prunedale to Ortona | 6,307.29 mi (10,150.60 km) |
| Prunedale to Orvieto | 6,220.23 mi (10,010.49 km) |
| Prunedale to Orzinuovi | 6,006.84 mi (9,667.08 km) |
| Prunedale to Osimo | 6,216.44 mi (10,004.40 km) |
| Prunedale to Ospitaletto | 6,002.31 mi (9,659.79 km) |
| Prunedale to Ostuni | 6,490.18 mi (10,444.93 km) |
| Prunedale to Ottaviano | 6,395.69 mi (10,292.87 km) |
| Prunedale to Ovada | 6,010.61 mi (9,673.14 km) |
| Prunedale to Ozieri | 6,243.79 mi (10,048.41 km) |
| Prunedale to Paceco | 6,500.87 mi (10,462.15 km) |
