| Llanelli to Bicaz | 1,391.64 mi (2,239.63 km) |
| Llanelli to Bistrita | 1,317.12 mi (2,119.69 km) |
| Llanelli to Blaj | 1,320.81 mi (2,125.63 km) |
| Llanelli to Bocsa | 1,253.52 mi (2,017.35 km) |
| Llanelli to Boldesti-Scaeni | 1,448.32 mi (2,330.84 km) |
| Llanelli to Bolintin Vale | 1,456.89 mi (2,344.63 km) |
| Llanelli to Borsa | 1,309.59 mi (2,107.58 km) |
| Llanelli to Botosani | 1,393.02 mi (2,241.86 km) |
| Llanelli to Brad | 1,274.37 mi (2,050.90 km) |
| Llanelli to Bragadiru | 1,468.82 mi (2,363.84 km) |
| Llanelli to Braila | 1,522.53 mi (2,450.28 km) |
| Llanelli to Brasov | 1,409.61 mi (2,268.55 km) |
| Llanelli to Breaza | 1,427.36 mi (2,297.12 km) |
| Llanelli to Bucharest | 1,472.11 mi (2,369.13 km) |
| Llanelli to Buftea | 1,460.75 mi (2,350.85 km) |
