| Boulder to Beelitz | 5,067.55 mi (8,155.43 km) |
| Boulder to Beilngries | 5,177.64 mi (8,332.60 km) |
| Boulder to Bellheim | 5,065.85 mi (8,152.70 km) |
| Boulder to Belm | 4,916.46 mi (7,912.28 km) |
| Boulder to Belzig | 5,060.91 mi (8,144.75 km) |
| Boulder to Bendorf | 4,985.06 mi (8,022.68 km) |
| Boulder to Bensheim | 5,054.91 mi (8,135.09 km) |
| Boulder to Berching | 5,173.32 mi (8,325.65 km) |
| Boulder to Bergen | 4,949.15 mi (7,964.88 km) |
| Boulder to Bergen | 4,974.18 mi (8,005.18 km) |
| Boulder to Bergheim | 4,930.31 mi (7,934.56 km) |
| Boulder to Bergisch Gladbach | 4,944.79 mi (7,957.86 km) |
| Boulder to Bergkamen | 4,932.20 mi (7,937.61 km) |
| Boulder to Bergneustadt | 4,959.69 mi (7,981.85 km) |
| Boulder to Berlin | 5,066.45 mi (8,153.67 km) |
