| Cities | Distance |
|---|---|
| Herisau to Nasaud | 707.87 mi (1,139.21 km) |
| Herisau to Navodari | 952.10 mi (1,532.25 km) |
| Herisau to Negresti-Oas | 659.19 mi (1,060.87 km) |
| Herisau to Nehoiu | 822.61 mi (1,323.86 km) |
| Herisau to Ocna Mures | 691.50 mi (1,112.86 km) |
| Herisau to Odobesti | 850.85 mi (1,369.32 km) |
| Herisau to Odorheiu Secuiesc | 759.96 mi (1,223.04 km) |
| Herisau to Oltenita | 866.04 mi (1,393.75 km) |
| Herisau to Onesti | 829.38 mi (1,334.75 km) |
| Herisau to Oradea | 593.48 mi (955.12 km) |
| Herisau to Orastie | 668.75 mi (1,076.25 km) |
| Herisau to Oravita | 614.68 mi (989.23 km) |
| Herisau to Orsova | 654.87 mi (1,053.91 km) |
| Herisau to Otelu Rosu | 635.31 mi (1,022.44 km) |
| Herisau to Otopeni | 828.59 mi (1,333.49 km) |