| Frauenfeld to Olivares | 1,035.05 mi (1,665.76 km) |
| Frauenfeld to Olivenza | 1,009.77 mi (1,625.07 km) |
| Frauenfeld to Olot | 485.57 mi (781.45 km) |
| Frauenfeld to Onate | 631.53 mi (1,016.35 km) |
| Frauenfeld to Onda | 694.71 mi (1,118.03 km) |
| Frauenfeld to Onteniente | 768.88 mi (1,237.40 km) |
| Frauenfeld to Orihuela | 821.20 mi (1,321.59 km) |
| Frauenfeld to Osuna | 1,006.23 mi (1,619.36 km) |
| Frauenfeld to Ourense | 893.08 mi (1,437.28 km) |
| Frauenfeld to Oviedo | 769.52 mi (1,238.42 km) |
| Frauenfeld to Paiporta | 729.07 mi (1,173.32 km) |
| Frauenfeld to Pajara | 1,811.16 mi (2,914.78 km) |
| Frauenfeld to Palafolls | 506.19 mi (814.64 km) |
| Frauenfeld to Palafrugell | 480.06 mi (772.59 km) |
| Frauenfeld to Palamos | 485.15 mi (780.78 km) |
