| Cities | Distance |
|---|
| Opera to Bacup | 767.84 mi (1,235.73 km) |
| Opera to Baguley | 755.73 mi (1,216.24 km) |
| Opera to Baildon | 762.35 mi (1,226.89 km) |
| Opera to Bailleston | 926.40 mi (1,490.90 km) |
| Opera to Balderton | 694.53 mi (1,117.74 km) |
| Opera to Baldock | 625.50 mi (1,006.64 km) |
| Opera to Balham | 599.07 mi (964.11 km) |
| Opera to Bamber Bridge | 782.74 mi (1,259.69 km) |
| Opera to Banbridge | 922.84 mi (1,485.17 km) |
| Opera to Banbury | 665.28 mi (1,070.66 km) |
| Opera to Bangor | 917.11 mi (1,475.94 km) |
| Opera to Bangor | 807.10 mi (1,298.90 km) |
| Opera to Banstead | 595.34 mi (958.11 km) |
| Opera to Bargoed | 715.78 mi (1,151.94 km) |
| Opera to Barking | 595.96 mi (959.11 km) |
