| Llanelli to Bonita (California) | 5,337.64 mi (8,590.10 km) |
| Llanelli to Bonita Springs (Florida) | 4,293.07 mi (6,909.03 km) |
| Llanelli to Bonney Lake (Washington) | 4,685.54 mi (7,540.65 km) |
| Llanelli to Boone (Iowa) | 4,017.11 mi (6,464.91 km) |
| Llanelli to Boone (North Carolina) | 3,808.94 mi (6,129.89 km) |
| Llanelli to Borger (Texas) | 4,615.47 mi (7,427.89 km) |
| Llanelli to Bossier City (Louisiana) | 4,474.74 mi (7,201.39 km) |
| Llanelli to Boston (Massachusetts) | 3,104.56 mi (4,996.30 km) |
| Llanelli to Bostonia (California) | 5,326.25 mi (8,571.77 km) |
| Llanelli to Bothell (Washington) | 4,653.40 mi (7,488.92 km) |
| Llanelli to Bothell East (Washington) | 4,651.02 mi (7,485.09 km) |
| Llanelli to Bothell West (Washington) | 4,652.59 mi (7,487.62 km) |
| Llanelli to Boulder (Colorado) | 4,531.78 mi (7,293.19 km) |
| Llanelli to Boulder City (Nevada) | 5,089.81 mi (8,191.26 km) |
| Llanelli to Bound Brook (New Jersey) | 3,320.14 mi (5,343.25 km) |
