| Bitlis to Orbetello | 1,639.62 mi (2,638.72 km) |
| Bitlis to Oria | 1,309.59 mi (2,107.59 km) |
| Bitlis to Oristano | 1,788.27 mi (2,877.95 km) |
| Bitlis to Orta Nova | 1,408.91 mi (2,267.42 km) |
| Bitlis to Orte | 1,579.78 mi (2,542.42 km) |
| Bitlis to Ortona | 1,476.95 mi (2,376.92 km) |
| Bitlis to Orvieto | 1,593.93 mi (2,565.19 km) |
| Bitlis to Orzinuovi | 1,711.05 mi (2,753.67 km) |
| Bitlis to Osimo | 1,526.57 mi (2,456.78 km) |
| Bitlis to Ospitaletto | 1,705.26 mi (2,744.36 km) |
| Bitlis to Ostuni | 1,311.85 mi (2,111.23 km) |
| Bitlis to Ottaviano | 1,474.00 mi (2,372.17 km) |
| Bitlis to Ovada | 1,770.45 mi (2,849.27 km) |
| Bitlis to Ozieri | 1,761.20 mi (2,834.37 km) |
| Bitlis to Paceco | 1,598.46 mi (2,572.48 km) |
