| Sayville to Orbetello | 4,163.71 mi (6,700.85 km) |
| Sayville to Oria | 4,516.86 mi (7,269.19 km) |
| Sayville to Oristano | 4,132.41 mi (6,650.48 km) |
| Sayville to Orta Nova | 4,401.44 mi (7,083.44 km) |
| Sayville to Orte | 4,214.79 mi (6,783.05 km) |
| Sayville to Ortona | 4,306.96 mi (6,931.38 km) |
| Sayville to Orvieto | 4,193.71 mi (6,749.12 km) |
| Sayville to Orzinuovi | 4,009.70 mi (6,452.98 km) |
| Sayville to Osimo | 4,227.01 mi (6,802.72 km) |
| Sayville to Ospitaletto | 4,010.74 mi (6,454.67 km) |
| Sayville to Ostuni | 4,505.78 mi (7,251.35 km) |
| Sayville to Ottaviano | 4,364.73 mi (7,024.36 km) |
| Sayville to Ovada | 3,978.17 mi (6,402.25 km) |
| Sayville to Ozieri | 4,127.96 mi (6,643.31 km) |
| Sayville to Paceco | 4,383.13 mi (7,053.96 km) |
