| Opera to Barnet | 609.73 mi (981.26 km) |
| Opera to Barnoldswick | 777.72 mi (1,251.63 km) |
| Opera to Barnsley | 739.61 mi (1,190.28 km) |
| Opera to Barnstaple | 725.20 mi (1,167.10 km) |
| Opera to Barrhead | 931.62 mi (1,499.29 km) |
| Opera to Barri | 706.47 mi (1,136.96 km) |
| Opera to Barrow in Furness | 817.57 mi (1,315.75 km) |
| Opera to Barton upon Humber | 717.52 mi (1,154.73 km) |
| Opera to Barton upon Irwell | 761.88 mi (1,226.12 km) |
| Opera to Barwell | 688.52 mi (1,108.06 km) |
| Opera to Basford | 702.43 mi (1,130.46 km) |
| Opera to Basildon | 584.92 mi (941.33 km) |
| Opera to Basingstoke | 622.94 mi (1,002.53 km) |
| Opera to Bath | 672.40 mi (1,082.12 km) |
| Opera to Bathgate | 916.54 mi (1,475.03 km) |
