| Catalca to Olivares | 1,856.64 mi (2,987.97 km) |
| Catalca to Olivenza | 1,879.23 mi (3,024.33 km) |
| Catalca to Olot | 1,337.48 mi (2,152.47 km) |
| Catalca to Onate | 1,579.81 mi (2,542.47 km) |
| Catalca to Onda | 1,503.47 mi (2,419.60 km) |
| Catalca to Onteniente | 1,540.18 mi (2,478.68 km) |
| Catalca to Orihuela | 1,571.99 mi (2,529.87 km) |
| Catalca to Osuna | 1,806.20 mi (2,906.80 km) |
| Catalca to Ourense | 1,860.39 mi (2,994.00 km) |
| Catalca to Oviedo | 1,748.92 mi (2,814.61 km) |
| Catalca to Paiporta | 1,519.87 mi (2,445.99 km) |
| Catalca to Pajara | 2,543.73 mi (4,093.74 km) |
| Catalca to Palafolls | 1,328.05 mi (2,137.29 km) |
| Catalca to Palafrugell | 1,304.97 mi (2,100.15 km) |
| Catalca to Palamos | 1,307.26 mi (2,103.83 km) |
