| Deal to Orbetello | 762.40 mi (1,226.97 km) |
| Deal to Oria | 1,072.08 mi (1,725.35 km) |
| Deal to Oristano | 854.80 mi (1,375.67 km) |
| Deal to Orta Nova | 963.29 mi (1,550.27 km) |
| Deal to Orte | 795.82 mi (1,280.74 km) |
| Deal to Ortona | 865.94 mi (1,393.59 km) |
| Deal to Orvieto | 773.14 mi (1,244.25 km) |
| Deal to Orzinuovi | 561.07 mi (902.95 km) |
| Deal to Osimo | 776.51 mi (1,249.68 km) |
| Deal to Ospitaletto | 557.57 mi (897.33 km) |
| Deal to Ostuni | 1,058.21 mi (1,703.03 km) |
| Deal to Ottaviano | 949.53 mi (1,528.12 km) |
| Deal to Ovada | 564.59 mi (908.62 km) |
| Deal to Ozieri | 819.83 mi (1,319.38 km) |
| Deal to Paceco | 1,063.89 mi (1,712.17 km) |
