| Cities | Distance |
|---|---|
| Opera to Olivenza | 954.19 mi (1,535.62 km) |
| Opera to Olot | 401.71 mi (646.49 km) |
| Opera to Onate | 597.99 mi (962.38 km) |
| Opera to Onda | 609.40 mi (980.74 km) |
| Opera to Onteniente | 676.67 mi (1,089.00 km) |
| Opera to Orihuela | 726.14 mi (1,168.60 km) |
| Opera to Osuna | 929.98 mi (1,496.66 km) |
| Opera to Ourense | 874.72 mi (1,407.72 km) |
| Opera to Oviedo | 755.73 mi (1,216.23 km) |
| Opera to Paiporta | 640.25 mi (1,030.39 km) |
| Opera to Pajara | 1,733.45 mi (2,789.72 km) |
| Opera to Palafolls | 413.03 mi (664.71 km) |
| Opera to Palafrugell | 385.74 mi (620.78 km) |
| Opera to Palamos | 390.29 mi (628.12 km) |
| Opera to Palencia | 724.06 mi (1,165.27 km) |