| Astorga to Orbetello | 879.24 mi (1,414.99 km) |
| Astorga to Oria | 1,230.04 mi (1,979.55 km) |
| Astorga to Oristano | 781.13 mi (1,257.11 km) |
| Astorga to Orta Nova | 1,119.52 mi (1,801.70 km) |
| Astorga to Orte | 938.58 mi (1,510.49 km) |
| Astorga to Ortona | 1,041.50 mi (1,676.13 km) |
| Astorga to Orvieto | 922.85 mi (1,485.19 km) |
| Astorga to Orzinuovi | 820.00 mi (1,319.66 km) |
| Astorga to Osimo | 988.44 mi (1,590.74 km) |
| Astorga to Ospitaletto | 828.37 mi (1,333.13 km) |
| Astorga to Ostuni | 1,223.65 mi (1,969.28 km) |
| Astorga to Ottaviano | 1,063.59 mi (1,711.68 km) |
| Astorga to Ovada | 750.77 mi (1,208.25 km) |
| Astorga to Ozieri | 788.99 mi (1,269.76 km) |
| Astorga to Paceco | 1,027.04 mi (1,652.86 km) |
