| Cities | Distance |
|---|
| Seini to Orbetello | 692.57 mi (1,114.58 km) |
| Seini to Oria | 573.52 mi (922.99 km) |
| Seini to Oristano | 908.55 mi (1,462.17 km) |
| Seini to Orta Nova | 578.82 mi (931.53 km) |
| Seini to Orte | 644.01 mi (1,036.44 km) |
| Seini to Ortona | 571.38 mi (919.54 km) |
| Seini to Orvieto | 644.34 mi (1,036.97 km) |
| Seini to Orzinuovi | 653.66 mi (1,051.97 km) |
| Seini to Osimo | 557.24 mi (896.79 km) |
| Seini to Ospitaletto | 643.79 mi (1,036.08 km) |
| Seini to Ostuni | 560.48 mi (902.01 km) |
| Seini to Ottaviano | 644.81 mi (1,037.72 km) |
| Seini to Ovada | 731.05 mi (1,176.52 km) |
| Seini to Ozieri | 861.52 mi (1,386.48 km) |
| Seini to Paceco | 864.73 mi (1,391.65 km) |
