| Colonia to Blumberg | 3,932.97 mi (6,329.51 km) |
| Colonia to Bobenheim-Roxheim | 3,874.17 mi (6,234.87 km) |
| Colonia to Bobingen | 4,014.19 mi (6,460.21 km) |
| Colonia to Boblingen | 3,927.40 mi (6,320.54 km) |
| Colonia to Bocholt | 3,742.05 mi (6,022.25 km) |
| Colonia to Bochum | 3,775.10 mi (6,075.43 km) |
| Colonia to Bockenem | 3,874.67 mi (6,235.69 km) |
| Colonia to Bockhorn | 3,755.43 mi (6,043.78 km) |
| Colonia to Bogen | 4,069.36 mi (6,549.01 km) |
| Colonia to Bohl-Iggelheim | 3,878.20 mi (6,241.36 km) |
| Colonia to Bohmte | 3,794.42 mi (6,106.52 km) |
| Colonia to Boizenburg | 3,858.72 mi (6,210.01 km) |
| Colonia to Bonen | 3,793.42 mi (6,104.93 km) |
| Colonia to Bonn | 3,790.80 mi (6,100.70 km) |
| Colonia to Bopfingen | 3,976.90 mi (6,400.20 km) |
