| Cities | Distance |
|---|---|
| Opera to Bierun Stary | 561.71 mi (903.99 km) |
| Opera to Bilgoraj | 718.47 mi (1,156.27 km) |
| Opera to Biskupiec | 785.48 mi (1,264.10 km) |
| Opera to Blachownia | 583.75 mi (939.45 km) |
| Opera to Blonie | 699.31 mi (1,125.43 km) |
| Opera to Bochnia | 609.99 mi (981.68 km) |
| Opera to Bogatynia | 464.11 mi (746.91 km) |
| Opera to Boguszow-Gorce | 491.78 mi (791.45 km) |
| Opera to Boleslawiec | 499.94 mi (804.58 km) |
| Opera to Braniewo | 779.30 mi (1,254.16 km) |
| Opera to Brodnica | 710.15 mi (1,142.88 km) |
| Opera to Brwinow | 700.22 mi (1,126.89 km) |
| Opera to Brzeg | 536.87 mi (864.01 km) |
| Opera to Brzeg Dolny | 532.65 mi (857.22 km) |
| Opera to Brzesko | 616.74 mi (992.55 km) |