| Amesbury to Orbetello | 858.83 mi (1,382.15 km) |
| Amesbury to Oria | 1,184.16 mi (1,905.73 km) |
| Amesbury to Oristano | 924.27 mi (1,487.47 km) |
| Amesbury to Orta Nova | 1,072.68 mi (1,726.31 km) |
| Amesbury to Orte | 897.78 mi (1,444.84 km) |
| Amesbury to Ortona | 975.16 mi (1,569.37 km) |
| Amesbury to Orvieto | 875.18 mi (1,408.47 km) |
| Amesbury to Orzinuovi | 668.86 mi (1,076.42 km) |
| Amesbury to Osimo | 887.76 mi (1,428.71 km) |
| Amesbury to Ospitaletto | 667.09 mi (1,073.57 km) |
| Amesbury to Ostuni | 1,170.95 mi (1,884.46 km) |
| Amesbury to Ottaviano | 1,052.74 mi (1,694.22 km) |
| Amesbury to Ovada | 659.90 mi (1,062.01 km) |
| Amesbury to Ozieri | 894.77 mi (1,439.99 km) |
| Amesbury to Paceco | 1,148.03 mi (1,847.58 km) |
