| Llantwit Major to Bicaz | 1,361.55 mi (2,191.21 km) |
| Llantwit Major to Bistrita | 1,286.80 mi (2,070.90 km) |
| Llantwit Major to Blaj | 1,289.53 mi (2,075.29 km) |
| Llantwit Major to Bocsa | 1,221.06 mi (1,965.10 km) |
| Llantwit Major to Boldesti-Scaeni | 1,416.77 mi (2,280.07 km) |
| Llantwit Major to Bolintin Vale | 1,424.89 mi (2,293.14 km) |
| Llantwit Major to Borsa | 1,279.79 mi (2,059.63 km) |
| Llantwit Major to Botosani | 1,363.84 mi (2,194.89 km) |
| Llantwit Major to Brad | 1,242.75 mi (2,000.01 km) |
| Llantwit Major to Bragadiru | 1,436.84 mi (2,312.37 km) |
| Llantwit Major to Braila | 1,491.66 mi (2,400.60 km) |
| Llantwit Major to Brasov | 1,378.40 mi (2,218.33 km) |
| Llantwit Major to Breaza | 1,395.83 mi (2,246.37 km) |
| Llantwit Major to Bucharest | 1,440.20 mi (2,317.77 km) |
| Llantwit Major to Buftea | 1,428.88 mi (2,299.57 km) |
