| Rosaryville to Orbetello | 4,404.97 mi (7,089.12 km) |
| Rosaryville to Oria | 4,758.17 mi (7,657.53 km) |
| Rosaryville to Oristano | 4,372.91 mi (7,037.52 km) |
| Rosaryville to Orta Nova | 4,642.74 mi (7,471.77 km) |
| Rosaryville to Orte | 4,456.09 mi (7,171.38 km) |
| Rosaryville to Ortona | 4,548.26 mi (7,319.72 km) |
| Rosaryville to Orvieto | 4,435.00 mi (7,137.45 km) |
| Rosaryville to Orzinuovi | 4,250.93 mi (6,841.21 km) |
| Rosaryville to Osimo | 4,468.29 mi (7,191.01 km) |
| Rosaryville to Ospitaletto | 4,251.95 mi (6,842.85 km) |
| Rosaryville to Ostuni | 4,747.08 mi (7,639.69 km) |
| Rosaryville to Ottaviano | 4,605.98 mi (7,412.61 km) |
| Rosaryville to Ovada | 4,219.48 mi (6,790.59 km) |
| Rosaryville to Ozieri | 4,368.72 mi (7,030.78 km) |
| Rosaryville to Paceco | 4,623.60 mi (7,440.97 km) |
