| Cities | Distance |
|---|---|
| Herisau to Orbetello | 354.58 mi (570.64 km) |
| Herisau to Oria | 631.27 mi (1,015.94 km) |
| Herisau to Oristano | 517.74 mi (833.22 km) |
| Herisau to Orta Nova | 525.19 mi (845.22 km) |
| Herisau to Orte | 372.73 mi (599.85 km) |
| Herisau to Ortona | 428.89 mi (690.24 km) |
| Herisau to Orvieto | 350.87 mi (564.68 km) |
| Herisau to Orzinuovi | 140.67 mi (226.38 km) |
| Herisau to Osimo | 338.13 mi (544.17 km) |
| Herisau to Ospitaletto | 132.00 mi (212.44 km) |
| Herisau to Ostuni | 617.06 mi (993.06 km) |
| Herisau to Ottaviano | 519.88 mi (836.67 km) |
| Herisau to Ovada | 191.92 mi (308.86 km) |
| Herisau to Ozieri | 469.91 mi (756.24 km) |
| Herisau to Paceco | 670.38 mi (1,078.87 km) |