| Trento to Olivenza | 1,056.97 mi (1,701.03 km) |
| Trento to Olot | 504.68 mi (812.21 km) |
| Trento to Onate | 697.53 mi (1,122.56 km) |
| Trento to Onda | 711.90 mi (1,145.70 km) |
| Trento to Onteniente | 778.22 mi (1,252.42 km) |
| Trento to Orihuela | 827.09 mi (1,331.08 km) |
| Trento to Osuna | 1,032.81 mi (1,662.15 km) |
| Trento to Ourense | 972.17 mi (1,564.56 km) |
| Trento to Oviedo | 851.79 mi (1,370.82 km) |
| Trento to Paiporta | 742.33 mi (1,194.67 km) |
| Trento to Pajara | 1,835.85 mi (2,954.52 km) |
| Trento to Palafolls | 515.28 mi (829.26 km) |
| Trento to Palafrugell | 487.97 mi (785.32 km) |
| Trento to Palamos | 492.45 mi (792.52 km) |
| Trento to Palencia | 824.44 mi (1,326.80 km) |
