| Dewsbury to Orbetello | 974.68 mi (1,568.60 km) |
| Dewsbury to Oria | 1,277.30 mi (2,055.62 km) |
| Dewsbury to Oristano | 1,065.72 mi (1,715.11 km) |
| Dewsbury to Orta Nova | 1,170.54 mi (1,883.80 km) |
| Dewsbury to Orte | 1,006.71 mi (1,620.15 km) |
| Dewsbury to Ortona | 1,073.58 mi (1,727.77 km) |
| Dewsbury to Orvieto | 984.07 mi (1,583.71 km) |
| Dewsbury to Orzinuovi | 770.77 mi (1,240.44 km) |
| Dewsbury to Osimo | 983.38 mi (1,582.59 km) |
| Dewsbury to Ospitaletto | 766.55 mi (1,233.64 km) |
| Dewsbury to Ostuni | 1,263.02 mi (2,032.63 km) |
| Dewsbury to Ottaviano | 1,159.66 mi (1,866.29 km) |
| Dewsbury to Ovada | 777.33 mi (1,250.99 km) |
| Dewsbury to Ozieri | 1,031.81 mi (1,660.53 km) |
| Dewsbury to Paceco | 1,276.91 mi (2,054.99 km) |
