| Sleaford to Bicaz | 1,242.44 mi (1,999.51 km) |
| Sleaford to Bistrita | 1,169.64 mi (1,882.35 km) |
| Sleaford to Blaj | 1,179.83 mi (1,898.76 km) |
| Sleaford to Bocsa | 1,122.94 mi (1,807.20 km) |
| Sleaford to Boldesti-Scaeni | 1,308.76 mi (2,106.25 km) |
| Sleaford to Bolintin Vale | 1,320.96 mi (2,125.89 km) |
| Sleaford to Borsa | 1,159.02 mi (1,865.27 km) |
| Sleaford to Botosani | 1,238.81 mi (1,993.67 km) |
| Sleaford to Brad | 1,136.28 mi (1,828.67 km) |
| Sleaford to Bragadiru | 1,332.77 mi (2,144.88 km) |
| Sleaford to Braila | 1,377.78 mi (2,217.32 km) |
| Sleaford to Brasov | 1,267.68 mi (2,040.13 km) |
| Sleaford to Breaza | 1,287.82 mi (2,072.55 km) |
| Sleaford to Bucharest | 1,335.43 mi (2,149.17 km) |
| Sleaford to Buftea | 1,323.73 mi (2,130.35 km) |
