| Corroios to Orbetello | 1,098.66 mi (1,768.13 km) |
| Corroios to Oria | 1,427.22 mi (2,296.89 km) |
| Corroios to Oristano | 951.78 mi (1,531.74 km) |
| Corroios to Orta Nova | 1,325.11 mi (2,132.56 km) |
| Corroios to Orte | 1,158.27 mi (1,864.05 km) |
| Corroios to Ortona | 1,259.97 mi (2,027.73 km) |
| Corroios to Orvieto | 1,146.37 mi (1,844.91 km) |
| Corroios to Orzinuovi | 1,082.55 mi (1,742.20 km) |
| Corroios to Osimo | 1,222.09 mi (1,966.77 km) |
| Corroios to Ospitaletto | 1,092.47 mi (1,758.16 km) |
| Corroios to Ostuni | 1,423.71 mi (2,291.23 km) |
| Corroios to Ottaviano | 1,261.08 mi (2,029.51 km) |
| Corroios to Ovada | 1,006.22 mi (1,619.36 km) |
| Corroios to Ozieri | 974.24 mi (1,567.88 km) |
| Corroios to Paceco | 1,174.76 mi (1,890.60 km) |
