| Sutton to Orbetello | 816.90 mi (1,314.67 km) |
| Sutton to Oria | 1,133.75 mi (1,824.59 km) |
| Sutton to Oristano | 896.95 mi (1,443.50 km) |
| Sutton to Orta Nova | 1,023.75 mi (1,647.56 km) |
| Sutton to Orte | 852.86 mi (1,372.54 km) |
| Sutton to Ortona | 926.23 mi (1,490.63 km) |
| Sutton to Orvieto | 830.18 mi (1,336.04 km) |
| Sutton to Orzinuovi | 620.25 mi (998.20 km) |
| Sutton to Osimo | 837.57 mi (1,347.94 km) |
| Sutton to Ospitaletto | 617.51 mi (993.79 km) |
| Sutton to Ostuni | 1,120.14 mi (1,802.69 km) |
| Sutton to Ottaviano | 1,007.31 mi (1,621.11 km) |
| Sutton to Ovada | 618.08 mi (994.70 km) |
| Sutton to Ozieri | 864.48 mi (1,391.25 km) |
| Sutton to Paceco | 1,113.24 mi (1,791.59 km) |
