| Opelika to Barking | 4,308.01 mi (6,933.07 km) |
| Opelika to Barnet | 4,294.33 mi (6,911.06 km) |
| Opelika to Barnoldswick | 4,168.65 mi (6,708.79 km) |
| Opelika to Barnsley | 4,203.47 mi (6,764.82 km) |
| Opelika to Barnstaple | 4,146.86 mi (6,673.73 km) |
| Opelika to Barrhead | 4,051.33 mi (6,519.99 km) |
| Opelika to Barri | 4,173.37 mi (6,716.39 km) |
| Opelika to Barrow in Furness | 4,124.47 mi (6,637.70 km) |
| Opelika to Barton upon Humber | 4,241.25 mi (6,825.63 km) |
| Opelika to Barton upon Irwell | 4,170.24 mi (6,711.36 km) |
| Opelika to Barwell | 4,228.50 mi (6,805.12 km) |
| Opelika to Basford | 4,227.25 mi (6,803.10 km) |
| Opelika to Basildon | 4,323.79 mi (6,958.47 km) |
| Opelika to Basingstoke | 4,266.18 mi (6,865.75 km) |
| Opelika to Bath | 4,211.43 mi (6,777.65 km) |
