| Bailen to Orbetello | 843.75 mi (1,357.88 km) |
| Bailen to Oria | 1,153.54 mi (1,856.44 km) |
| Bailen to Oristano | 674.89 mi (1,086.14 km) |
| Bailen to Orta Nova | 1,056.97 mi (1,701.03 km) |
| Bailen to Orte | 901.91 mi (1,451.48 km) |
| Bailen to Ortona | 1,000.52 mi (1,610.17 km) |
| Bailen to Orvieto | 892.94 mi (1,437.06 km) |
| Bailen to Orzinuovi | 866.64 mi (1,394.72 km) |
| Bailen to Osimo | 974.19 mi (1,567.81 km) |
| Bailen to Ospitaletto | 877.98 mi (1,412.97 km) |
| Bailen to Ostuni | 1,151.42 mi (1,853.03 km) |
| Bailen to Ottaviano | 989.82 mi (1,592.96 km) |
| Bailen to Ovada | 785.72 mi (1,264.49 km) |
| Bailen to Ozieri | 703.28 mi (1,131.82 km) |
| Bailen to Paceco | 886.86 mi (1,427.27 km) |
