| Letchworth to Bicaz | 1,225.50 mi (1,972.24 km) |
| Letchworth to Bistrita | 1,151.45 mi (1,853.08 km) |
| Letchworth to Blaj | 1,157.44 mi (1,862.72 km) |
| Letchworth to Bocsa | 1,094.45 mi (1,761.35 km) |
| Letchworth to Boldesti-Scaeni | 1,285.63 mi (2,069.01 km) |
| Letchworth to Bolintin Vale | 1,295.70 mi (2,085.23 km) |
| Letchworth to Borsa | 1,142.98 mi (1,839.45 km) |
| Letchworth to Botosani | 1,225.51 mi (1,972.26 km) |
| Letchworth to Brad | 1,112.09 mi (1,789.73 km) |
| Letchworth to Bragadiru | 1,307.59 mi (2,104.37 km) |
| Letchworth to Braila | 1,357.94 mi (2,185.40 km) |
| Letchworth to Brasov | 1,245.96 mi (2,005.18 km) |
| Letchworth to Breaza | 1,264.66 mi (2,035.27 km) |
| Letchworth to Bucharest | 1,310.62 mi (2,109.24 km) |
| Letchworth to Buftea | 1,299.11 mi (2,090.71 km) |
