| Llantrisant to Bonita (California) | 5,370.41 mi (8,642.84 km) |
| Llantrisant to Bonita Springs (Florida) | 4,327.95 mi (6,965.16 km) |
| Llantrisant to Bonney Lake (Washington) | 4,714.84 mi (7,587.80 km) |
| Llantrisant to Boone (Iowa) | 4,051.39 mi (6,520.09 km) |
| Llantrisant to Boone (North Carolina) | 3,844.14 mi (6,186.55 km) |
| Llantrisant to Borger (Texas) | 4,649.80 mi (7,483.13 km) |
| Llantrisant to Bossier City (Louisiana) | 4,509.79 mi (7,257.80 km) |
| Llantrisant to Boston (Massachusetts) | 3,139.76 mi (5,052.96 km) |
| Llantrisant to Bostonia (California) | 5,359.01 mi (8,624.49 km) |
| Llantrisant to Bothell (Washington) | 4,682.56 mi (7,535.85 km) |
| Llantrisant to Bothell East (Washington) | 4,680.17 mi (7,532.01 km) |
| Llantrisant to Bothell West (Washington) | 4,681.74 mi (7,534.53 km) |
| Llantrisant to Boulder (Colorado) | 4,565.17 mi (7,346.93 km) |
| Llantrisant to Boulder City (Nevada) | 5,122.47 mi (8,243.81 km) |
| Llantrisant to Bound Brook (New Jersey) | 3,355.34 mi (5,399.90 km) |
