| Rorschach to Nyon | 171.34 mi (275.75 km) |
| Rorschach to Oberriet | 10.84 mi (17.44 km) |
| Rorschach to Obersiggenthal | 56.42 mi (90.81 km) |
| Rorschach to Oberwil | 90.88 mi (146.26 km) |
| Rorschach to Oberwingert | 34.30 mi (55.21 km) |
| Rorschach to Oftringen | 74.78 mi (120.35 km) |
| Rorschach to Olten | 75.25 mi (121.10 km) |
| Rorschach to Onex | 183.55 mi (295.40 km) |
| Rorschach to Opfikon | 43.67 mi (70.28 km) |
| Rorschach to Ostermundigen | 100.77 mi (162.17 km) |
| Rorschach to Payerne | 128.71 mi (207.13 km) |
| Rorschach to Pfaffikon | 34.21 mi (55.06 km) |
| Rorschach to Plan-les-Ouates | 183.44 mi (295.22 km) |
| Rorschach to Pratteln | 84.10 mi (135.35 km) |
| Rorschach to Prilly | 151.09 mi (243.16 km) |
