| Woburn to Orbetello | 4,016.04 mi (6,463.19 km) |
| Woburn to Oria | 4,368.30 mi (7,030.10 km) |
| Woburn to Oristano | 3,988.33 mi (6,418.59 km) |
| Woburn to Orta Nova | 4,252.98 mi (6,844.50 km) |
| Woburn to Orte | 4,066.66 mi (6,544.65 km) |
| Woburn to Ortona | 4,158.17 mi (6,691.92 km) |
| Woburn to Orvieto | 4,045.45 mi (6,510.53 km) |
| Woburn to Orzinuovi | 3,859.94 mi (6,211.97 km) |
| Woburn to Osimo | 4,077.65 mi (6,562.34 km) |
| Woburn to Ospitaletto | 3,860.82 mi (6,213.39 km) |
| Woburn to Ostuni | 4,357.06 mi (7,012.00 km) |
| Woburn to Ottaviano | 4,217.15 mi (6,786.85 km) |
| Woburn to Ovada | 3,829.46 mi (6,162.93 km) |
| Woburn to Ozieri | 3,982.98 mi (6,409.98 km) |
| Woburn to Paceco | 4,239.07 mi (6,822.13 km) |
