| Cities | Distance |
|---|---|
| Opera to Arcore | 17.94 mi (28.87 km) |
| Opera to Ardea | 309.19 mi (497.59 km) |
| Opera to Arenzano | 72.56 mi (116.77 km) |
| Opera to Arese | 13.62 mi (21.92 km) |
| Opera to Arezzo | 186.66 mi (300.39 km) |
| Opera to Argelato | 118.19 mi (190.20 km) |
| Opera to Argenta | 138.41 mi (222.74 km) |
| Opera to Ariano Irpino | 415.38 mi (668.49 km) |
| Opera to Ariccia | 306.57 mi (493.38 km) |
| Opera to Arluno | 15.93 mi (25.64 km) |
| Opera to Arona | 40.93 mi (65.87 km) |
| Opera to Artena | 312.85 mi (503.48 km) |
| Opera to Arzachena | 297.22 mi (478.33 km) |
| Opera to Arzano | 399.88 mi (643.54 km) |
| Opera to Arzignano | 103.00 mi (165.77 km) |