| Adwick le Street to Orbetello | 956.30 mi (1,539.02 km) |
| Adwick le Street to Oria | 1,257.85 mi (2,024.32 km) |
| Adwick le Street to Oristano | 1,049.27 mi (1,688.63 km) |
| Adwick le Street to Orta Nova | 1,151.26 mi (1,852.78 km) |
| Adwick le Street to Orte | 987.96 mi (1,589.96 km) |
| Adwick le Street to Ortona | 1,054.36 mi (1,696.83 km) |
| Adwick le Street to Orvieto | 965.32 mi (1,553.54 km) |
| Adwick le Street to Orzinuovi | 751.86 mi (1,210.00 km) |
| Adwick le Street to Osimo | 964.10 mi (1,551.56 km) |
| Adwick le Street to Ospitaletto | 747.53 mi (1,203.04 km) |
| Adwick le Street to Ostuni | 1,243.54 mi (2,001.28 km) |
| Adwick le Street to Ottaviano | 1,140.74 mi (1,835.85 km) |
| Adwick le Street to Ovada | 759.20 mi (1,221.82 km) |
| Adwick le Street to Ozieri | 1,014.94 mi (1,633.39 km) |
| Adwick le Street to Paceco | 1,259.24 mi (2,026.55 km) |
