| Cuellar to Bicaz | 1,543.93 mi (2,484.72 km) |
| Cuellar to Bistrita | 1,470.27 mi (2,366.17 km) |
| Cuellar to Blaj | 1,437.90 mi (2,314.07 km) |
| Cuellar to Bocsa | 1,329.07 mi (2,138.92 km) |
| Cuellar to Boldesti-Scaeni | 1,539.07 mi (2,476.89 km) |
| Cuellar to Bolintin Vale | 1,527.13 mi (2,457.67 km) |
| Cuellar to Borsa | 1,481.39 mi (2,384.07 km) |
| Cuellar to Botosani | 1,574.87 mi (2,534.51 km) |
| Cuellar to Brad | 1,383.98 mi (2,227.31 km) |
| Cuellar to Bragadiru | 1,538.12 mi (2,475.37 km) |
| Cuellar to Braila | 1,632.44 mi (2,627.15 km) |
| Cuellar to Brasov | 1,518.62 mi (2,443.98 km) |
| Cuellar to Breaza | 1,520.93 mi (2,447.69 km) |
| Cuellar to Bucharest | 1,544.26 mi (2,485.24 km) |
| Cuellar to Buftea | 1,536.23 mi (2,472.33 km) |
