| Castelsarrasin to Olivenza | 563.42 mi (906.73 km) |
| Castelsarrasin to Olot | 146.06 mi (235.07 km) |
| Castelsarrasin to Onate | 189.68 mi (305.26 km) |
| Castelsarrasin to Onda | 290.37 mi (467.31 km) |
| Castelsarrasin to Onteniente | 371.26 mi (597.49 km) |
| Castelsarrasin to Orihuela | 425.05 mi (684.06 km) |
| Castelsarrasin to Osuna | 571.53 mi (919.79 km) |
| Castelsarrasin to Ourense | 466.70 mi (751.08 km) |
| Castelsarrasin to Oviedo | 350.32 mi (563.78 km) |
| Castelsarrasin to Paiporta | 328.21 mi (528.21 km) |
| Castelsarrasin to Pajara | 1,371.48 mi (2,207.18 km) |
| Castelsarrasin to Palafolls | 183.74 mi (295.70 km) |
| Castelsarrasin to Palafrugell | 179.74 mi (289.26 km) |
| Castelsarrasin to Palamos | 182.86 mi (294.29 km) |
| Castelsarrasin to Palencia | 317.23 mi (510.54 km) |
