| Urmston to Orbetello | 983.53 mi (1,582.84 km) |
| Urmston to Oria | 1,291.69 mi (2,078.77 km) |
| Urmston to Oristano | 1,067.65 mi (1,718.22 km) |
| Urmston to Orta Nova | 1,183.79 mi (1,905.13 km) |
| Urmston to Orte | 1,017.26 mi (1,637.12 km) |
| Urmston to Ortona | 1,086.57 mi (1,748.67 km) |
| Urmston to Orvieto | 994.58 mi (1,600.62 km) |
| Urmston to Orzinuovi | 782.30 mi (1,258.98 km) |
| Urmston to Osimo | 996.79 mi (1,604.18 km) |
| Urmston to Ospitaletto | 778.58 mi (1,253.00 km) |
| Urmston to Ostuni | 1,277.61 mi (2,056.11 km) |
| Urmston to Ottaviano | 1,170.91 mi (1,884.39 km) |
| Urmston to Ovada | 785.33 mi (1,263.86 km) |
| Urmston to Ozieri | 1,035.06 mi (1,665.77 km) |
| Urmston to Paceco | 1,282.80 mi (2,064.47 km) |
