| Tefenni to Blackburn | 1,904.05 mi (3,064.27 km) |
| Tefenni to Blackpool | 1,927.18 mi (3,101.50 km) |
| Tefenni to Blairgowrie | 2,018.64 mi (3,248.69 km) |
| Tefenni to Blandford Forum | 1,819.93 mi (2,928.90 km) |
| Tefenni to Blaydon | 1,911.64 mi (3,076.49 km) |
| Tefenni to Bletchley | 1,789.58 mi (2,880.05 km) |
| Tefenni to Bloxwich | 1,855.53 mi (2,986.19 km) |
| Tefenni to Blunsdon Saint Andrew | 1,821.98 mi (2,932.20 km) |
| Tefenni to Blyth | 1,909.47 mi (3,073.00 km) |
| Tefenni to Bo'ness | 2,010.15 mi (3,235.03 km) |
| Tefenni to Bodmin | 1,919.31 mi (3,088.82 km) |
| Tefenni to Bognor Regis | 1,756.94 mi (2,827.52 km) |
| Tefenni to Bolsover | 1,844.70 mi (2,968.76 km) |
| Tefenni to Bolton | 1,897.41 mi (3,053.58 km) |
| Tefenni to Bonhill | 2,042.65 mi (3,287.33 km) |
