| Poquoson to Orbetello | 4,448.66 mi (7,159.42 km) |
| Poquoson to Oria | 4,803.47 mi (7,730.44 km) |
| Poquoson to Oristano | 4,409.90 mi (7,097.06 km) |
| Poquoson to Orta Nova | 4,687.91 mi (7,544.46 km) |
| Poquoson to Orte | 4,500.68 mi (7,243.15 km) |
| Poquoson to Ortona | 4,594.18 mi (7,393.61 km) |
| Poquoson to Orvieto | 4,479.86 mi (7,209.63 km) |
| Poquoson to Orzinuovi | 4,299.17 mi (6,918.85 km) |
| Poquoson to Osimo | 4,515.52 mi (7,267.02 km) |
| Poquoson to Ospitaletto | 4,300.58 mi (6,921.11 km) |
| Poquoson to Ostuni | 4,792.74 mi (7,713.17 km) |
| Poquoson to Ottaviano | 4,649.34 mi (7,482.39 km) |
| Poquoson to Ovada | 4,265.44 mi (6,864.55 km) |
| Poquoson to Ozieri | 4,407.31 mi (7,092.88 km) |
| Poquoson to Paceco | 4,660.32 mi (7,500.06 km) |
