| Astley to Orbetello | 988.13 mi (1,590.25 km) |
| Astley to Oria | 1,296.15 mi (2,085.96 km) |
| Astley to Oristano | 1,072.25 mi (1,725.63 km) |
| Astley to Orta Nova | 1,188.30 mi (1,912.38 km) |
| Astley to Orte | 1,021.83 mi (1,644.48 km) |
| Astley to Ortona | 1,091.08 mi (1,755.93 km) |
| Astley to Orvieto | 999.15 mi (1,607.98 km) |
| Astley to Orzinuovi | 786.84 mi (1,266.30 km) |
| Astley to Osimo | 1,001.28 mi (1,611.41 km) |
| Astley to Ospitaletto | 783.11 mi (1,260.29 km) |
| Astley to Ostuni | 1,282.06 mi (2,063.28 km) |
| Astley to Ottaviano | 1,175.47 mi (1,891.73 km) |
| Astley to Ovada | 789.94 mi (1,271.28 km) |
| Astley to Ozieri | 1,039.68 mi (1,673.20 km) |
| Astley to Paceco | 1,287.43 mi (2,071.91 km) |
