| Clayton le Moors to Orbetello | 999.91 mi (1,609.20 km) |
| Clayton le Moors to Oria | 1,305.29 mi (2,100.66 km) |
| Clayton le Moors to Oristano | 1,086.79 mi (1,749.01 km) |
| Clayton le Moors to Orta Nova | 1,198.00 mi (1,928.00 km) |
| Clayton le Moors to Orte | 1,032.84 mi (1,662.19 km) |
| Clayton le Moors to Ortona | 1,100.92 mi (1,771.76 km) |
| Clayton le Moors to Orvieto | 1,010.17 mi (1,625.72 km) |
| Clayton le Moors to Orzinuovi | 797.35 mi (1,283.21 km) |
| Clayton le Moors to Osimo | 1,010.90 mi (1,626.88 km) |
| Clayton le Moors to Ospitaletto | 793.37 mi (1,276.81 km) |
| Clayton le Moors to Ostuni | 1,291.09 mi (2,077.81 km) |
| Clayton le Moors to Ottaviano | 1,186.16 mi (1,908.94 km) |
| Clayton le Moors to Ovada | 802.05 mi (1,290.77 km) |
| Clayton le Moors to Ozieri | 1,053.73 mi (1,695.81 km) |
| Clayton le Moors to Paceco | 1,300.48 mi (2,092.93 km) |
