| Rorschach to Orthez | 567.82 mi (913.82 km) |
| Rorschach to Orvault | 520.21 mi (837.19 km) |
| Rorschach to Osny | 359.18 mi (578.04 km) |
| Rorschach to Ostwald | 111.50 mi (179.43 km) |
| Rorschach to Ouistreham | 464.68 mi (747.83 km) |
| Rorschach to Oullins | 253.46 mi (407.91 km) |
| Rorschach to Outreau | 421.59 mi (678.48 km) |
| Rorschach to Oyonnax | 199.93 mi (321.75 km) |
| Rorschach to Ozoir-la-Ferriere | 327.21 mi (526.60 km) |
| Rorschach to Pace | 524.80 mi (844.58 km) |
| Rorschach to Palaiseau | 345.57 mi (556.14 km) |
| Rorschach to Pamiers | 486.82 mi (783.46 km) |
| Rorschach to Panazol | 404.16 mi (650.43 km) |
| Rorschach to Pantin | 341.46 mi (549.53 km) |
| Rorschach to Paray-le-Monial | 263.20 mi (423.58 km) |
