| Llantrisant to Barberton (Ohio) | 3,623.32 mi (5,831.18 km) |
| Llantrisant to Bardstown (Kentucky) | 3,923.22 mi (6,313.82 km) |
| Llantrisant to Barrington (Illinois) | 3,828.58 mi (6,161.51 km) |
| Llantrisant to Barstow (California) | 5,247.66 mi (8,445.30 km) |
| Llantrisant to Bartlesville (Oklahoma) | 4,388.19 mi (7,062.11 km) |
| Llantrisant to Bartlett (Illinois) | 3,839.42 mi (6,178.96 km) |
| Llantrisant to Bartlett (Tennessee) | 4,221.68 mi (6,794.14 km) |
| Llantrisant to Bartow (Florida) | 4,252.84 mi (6,844.28 km) |
| Llantrisant to Batavia (Illinois) | 3,849.48 mi (6,195.14 km) |
| Llantrisant to Batavia (New York) | 3,400.24 mi (5,472.16 km) |
| Llantrisant to Batesville (Arkansas) | 4,267.30 mi (6,867.56 km) |
| Llantrisant to Baton Rouge (Louisiana) | 4,512.32 mi (7,261.88 km) |
| Llantrisant to Battle Creek (Michigan) | 3,709.52 mi (5,969.89 km) |
| Llantrisant to Battle Ground (Washington) | 4,803.86 mi (7,731.06 km) |
| Llantrisant to Bay City (Michigan) | 3,600.38 mi (5,794.25 km) |
