| Radolfzell am Bodensee to Bistrita | 725.96 mi (1,168.31 km) |
| Radolfzell am Bodensee to Blaj | 711.98 mi (1,145.82 km) |
| Radolfzell am Bodensee to Bocsa | 626.24 mi (1,007.83 km) |
| Radolfzell am Bodensee to Boldesti-Scaeni | 832.62 mi (1,339.97 km) |
| Radolfzell am Bodensee to Bolintin Vale | 834.09 mi (1,342.35 km) |
| Radolfzell am Bodensee to Borsa | 728.74 mi (1,172.79 km) |
| Radolfzell am Bodensee to Botosani | 820.74 mi (1,320.86 km) |
| Radolfzell am Bodensee to Brad | 660.63 mi (1,063.18 km) |
| Radolfzell am Bodensee to Bragadiru | 846.04 mi (1,361.56 km) |
| Radolfzell am Bodensee to Braila | 916.66 mi (1,475.22 km) |
| Radolfzell am Bodensee to Brasov | 800.15 mi (1,287.71 km) |
| Radolfzell am Bodensee to Breaza | 812.15 mi (1,307.02 km) |
| Radolfzell am Bodensee to Bucharest | 850.37 mi (1,368.53 km) |
| Radolfzell am Bodensee to Buftea | 839.84 mi (1,351.60 km) |
| Radolfzell am Bodensee to Buhusi | 833.43 mi (1,341.28 km) |
