| Herisau to Orthez | 555.50 mi (893.99 km) |
| Herisau to Orvault | 509.60 mi (820.13 km) |
| Herisau to Osny | 351.10 mi (565.05 km) |
| Herisau to Ostwald | 108.04 mi (173.87 km) |
| Herisau to Ouistreham | 456.36 mi (734.44 km) |
| Herisau to Oullins | 241.13 mi (388.06 km) |
| Herisau to Outreau | 416.08 mi (669.62 km) |
| Herisau to Oyonnax | 187.63 mi (301.97 km) |
| Herisau to Ozoir-la-Ferriere | 318.83 mi (513.10 km) |
| Herisau to Pace | 515.01 mi (828.83 km) |
| Herisau to Palaiseau | 336.94 mi (542.25 km) |
| Herisau to Pamiers | 474.59 mi (763.78 km) |
| Herisau to Panazol | 392.24 mi (631.24 km) |
| Herisau to Pantin | 333.21 mi (536.24 km) |
| Herisau to Paray-le-Monial | 251.26 mi (404.37 km) |
