| Rorschach to Olivares | 1,054.22 mi (1,696.60 km) |
| Rorschach to Olivenza | 1,030.90 mi (1,659.07 km) |
| Rorschach to Olot | 500.96 mi (806.21 km) |
| Rorschach to Onate | 654.63 mi (1,053.53 km) |
| Rorschach to Onda | 710.67 mi (1,143.71 km) |
| Rorschach to Onteniente | 783.74 mi (1,261.31 km) |
| Rorschach to Orihuela | 835.60 mi (1,344.77 km) |
| Rorschach to Osuna | 1,024.30 mi (1,648.45 km) |
| Rorschach to Ourense | 918.19 mi (1,477.68 km) |
| Rorschach to Oviedo | 794.86 mi (1,279.20 km) |
| Rorschach to Paiporta | 744.48 mi (1,198.12 km) |
| Rorschach to Pajara | 1,829.55 mi (2,944.38 km) |
| Rorschach to Palafolls | 520.00 mi (836.86 km) |
| Rorschach to Palafrugell | 493.50 mi (794.22 km) |
| Rorschach to Palamos | 498.52 mi (802.29 km) |
