| Niederkassel to Bonita (California) | 5,740.39 mi (9,238.27 km) |
| Niederkassel to Bonita Springs (Florida) | 4,778.40 mi (7,690.10 km) |
| Niederkassel to Bonney Lake (Washington) | 5,024.21 mi (8,085.68 km) |
| Niederkassel to Boone (Iowa) | 4,456.99 mi (7,172.84 km) |
| Niederkassel to Boone (North Carolina) | 4,283.75 mi (6,894.02 km) |
| Niederkassel to Borger (Texas) | 5,055.48 mi (8,136.02 km) |
| Niederkassel to Bossier City (Louisiana) | 4,938.01 mi (7,946.96 km) |
| Niederkassel to Boston (Massachusetts) | 3,580.88 mi (5,762.86 km) |
| Niederkassel to Bostonia (California) | 5,728.87 mi (9,219.72 km) |
| Niederkassel to Bothell (Washington) | 4,989.79 mi (8,030.29 km) |
| Niederkassel to Bothell East (Washington) | 4,987.36 mi (8,026.38 km) |
| Niederkassel to Bothell West (Washington) | 4,988.74 mi (8,028.59 km) |
| Niederkassel to Boulder (Colorado) | 4,949.68 mi (7,965.74 km) |
| Niederkassel to Boulder City (Nevada) | 5,490.78 mi (8,836.56 km) |
| Niederkassel to Bound Brook (New Jersey) | 3,795.92 mi (6,108.94 km) |
