| Wooburn to Orbetello | 842.54 mi (1,355.93 km) |
| Wooburn to Oria | 1,159.72 mi (1,866.39 km) |
| Wooburn to Oristano | 920.84 mi (1,481.95 km) |
| Wooburn to Orta Nova | 1,049.72 mi (1,689.36 km) |
| Wooburn to Orte | 878.69 mi (1,414.11 km) |
| Wooburn to Ortona | 952.20 mi (1,532.42 km) |
| Wooburn to Orvieto | 856.01 mi (1,377.62 km) |
| Wooburn to Orzinuovi | 646.20 mi (1,039.96 km) |
| Wooburn to Osimo | 863.55 mi (1,389.75 km) |
| Wooburn to Ospitaletto | 643.48 mi (1,035.58 km) |
| Wooburn to Ostuni | 1,146.11 mi (1,844.49 km) |
| Wooburn to Ottaviano | 1,033.18 mi (1,662.74 km) |
| Wooburn to Ovada | 643.67 mi (1,035.88 km) |
| Wooburn to Ozieri | 888.82 mi (1,430.41 km) |
| Wooburn to Paceco | 1,138.23 mi (1,831.80 km) |
