| Sheffield to Orbetello | 954.37 mi (1,535.91 km) |
| Sheffield to Oria | 1,258.96 mi (2,026.10 km) |
| Sheffield to Oristano | 1,043.89 mi (1,679.99 km) |
| Sheffield to Orta Nova | 1,151.73 mi (1,853.53 km) |
| Sheffield to Orte | 986.93 mi (1,588.31 km) |
| Sheffield to Ortona | 1,054.67 mi (1,697.32 km) |
| Sheffield to Orvieto | 964.27 mi (1,551.84 km) |
| Sheffield to Orzinuovi | 751.28 mi (1,209.07 km) |
| Sheffield to Osimo | 964.61 mi (1,552.40 km) |
| Sheffield to Ospitaletto | 747.23 mi (1,202.55 km) |
| Sheffield to Ostuni | 1,244.76 mi (2,003.24 km) |
| Sheffield to Ottaviano | 1,140.12 mi (1,834.85 km) |
| Sheffield to Ovada | 756.75 mi (1,217.87 km) |
| Sheffield to Ozieri | 1,010.20 mi (1,625.76 km) |
| Sheffield to Paceco | 1,255.86 mi (2,021.11 km) |
