| Baile Atha Luain to Oria | 1,487.10 mi (2,393.25 km) |
| Baile Atha Luain to Oristano | 1,213.35 mi (1,952.70 km) |
| Baile Atha Luain to Orta Nova | 1,375.79 mi (2,214.12 km) |
| Baile Atha Luain to Orte | 1,200.53 mi (1,932.07 km) |
| Baile Atha Luain to Ortona | 1,278.27 mi (2,057.18 km) |
| Baile Atha Luain to Orvieto | 1,177.97 mi (1,895.75 km) |
| Baile Atha Luain to Orzinuovi | 971.94 mi (1,564.19 km) |
| Baile Atha Luain to Osimo | 1,190.68 mi (1,916.22 km) |
| Baile Atha Luain to Ospitaletto | 970.05 mi (1,561.15 km) |
| Baile Atha Luain to Ostuni | 1,473.80 mi (2,371.85 km) |
| Baile Atha Luain to Ottaviano | 1,355.54 mi (2,181.53 km) |
| Baile Atha Luain to Ovada | 961.95 mi (1,548.11 km) |
| Baile Atha Luain to Ozieri | 1,187.44 mi (1,911.00 km) |
| Baile Atha Luain to Paceco | 1,444.25 mi (2,324.30 km) |
| Baile Atha Luain to Pachino | 1,597.51 mi (2,570.95 km) |
