| Midleton to Oria | 1,452.59 mi (2,337.72 km) |
| Midleton to Oristano | 1,151.47 mi (1,853.12 km) |
| Midleton to Orta Nova | 1,339.34 mi (2,155.47 km) |
| Midleton to Orte | 1,159.32 mi (1,865.74 km) |
| Midleton to Ortona | 1,242.27 mi (1,999.24 km) |
| Midleton to Orvieto | 1,137.02 mi (1,829.86 km) |
| Midleton to Orzinuovi | 937.51 mi (1,508.78 km) |
| Midleton to Osimo | 1,157.02 mi (1,862.04 km) |
| Midleton to Ospitaletto | 936.94 mi (1,507.86 km) |
| Midleton to Ostuni | 1,439.98 mi (2,317.42 km) |
| Midleton to Ottaviano | 1,314.04 mi (2,114.75 km) |
| Midleton to Ovada | 919.16 mi (1,479.24 km) |
| Midleton to Ozieri | 1,128.95 mi (1,816.87 km) |
| Midleton to Paceco | 1,388.49 mi (2,234.56 km) |
| Midleton to Pachino | 1,545.24 mi (2,486.83 km) |
