| Syosset to Orbetello | 4,179.68 mi (6,726.55 km) |
| Syosset to Oria | 4,532.56 mi (7,294.45 km) |
| Syosset to Oristano | 4,149.35 mi (6,677.74 km) |
| Syosset to Orta Nova | 4,417.17 mi (7,108.75 km) |
| Syosset to Orte | 4,230.62 mi (6,808.53 km) |
| Syosset to Ortona | 4,322.57 mi (6,956.51 km) |
| Syosset to Orvieto | 4,209.50 mi (6,774.53 km) |
| Syosset to Orzinuovi | 4,024.97 mi (6,477.56 km) |
| Syosset to Osimo | 4,242.43 mi (6,827.53 km) |
| Syosset to Ospitaletto | 4,025.95 mi (6,479.15 km) |
| Syosset to Ostuni | 4,521.42 mi (7,276.53 km) |
| Syosset to Ottaviano | 4,380.74 mi (7,050.11 km) |
| Syosset to Ovada | 3,993.81 mi (6,427.42 km) |
| Syosset to Ozieri | 4,144.68 mi (6,670.21 km) |
| Syosset to Paceco | 4,400.08 mi (7,081.25 km) |
