| Devizes to Orbetello | 873.94 mi (1,406.47 km) |
| Devizes to Oria | 1,198.56 mi (1,928.89 km) |
| Devizes to Oristano | 939.81 mi (1,512.47 km) |
| Devizes to Orta Nova | 1,087.23 mi (1,749.72 km) |
| Devizes to Orte | 912.68 mi (1,468.82 km) |
| Devizes to Ortona | 989.70 mi (1,592.77 km) |
| Devizes to Orvieto | 890.07 mi (1,432.44 km) |
| Devizes to Orzinuovi | 683.37 mi (1,099.78 km) |
| Devizes to Osimo | 902.14 mi (1,451.86 km) |
| Devizes to Ospitaletto | 681.49 mi (1,096.76 km) |
| Devizes to Ostuni | 1,185.30 mi (1,907.55 km) |
| Devizes to Ottaviano | 1,067.62 mi (1,718.17 km) |
| Devizes to Ovada | 674.98 mi (1,086.28 km) |
| Devizes to Ozieri | 910.29 mi (1,464.96 km) |
| Devizes to Paceco | 1,163.48 mi (1,872.44 km) |
