| Illescas to Bicaz | 1,560.26 mi (2,511.00 km) |
| Illescas to Bistrita | 1,488.00 mi (2,394.71 km) |
| Illescas to Blaj | 1,451.62 mi (2,336.16 km) |
| Illescas to Bocsa | 1,339.68 mi (2,156.01 km) |
| Illescas to Boldesti-Scaeni | 1,547.54 mi (2,490.53 km) |
| Illescas to Bolintin Vale | 1,533.12 mi (2,467.33 km) |
| Illescas to Borsa | 1,501.29 mi (2,416.09 km) |
| Illescas to Botosani | 1,594.46 mi (2,566.03 km) |
| Illescas to Brad | 1,397.83 mi (2,249.59 km) |
| Illescas to Bragadiru | 1,543.81 mi (2,484.52 km) |
| Illescas to Braila | 1,641.90 mi (2,642.38 km) |
| Illescas to Brasov | 1,529.82 mi (2,462.00 km) |
| Illescas to Breaza | 1,530.08 mi (2,462.43 km) |
| Illescas to Bucharest | 1,550.21 mi (2,494.83 km) |
| Illescas to Buftea | 1,542.76 mi (2,482.84 km) |
