| Niederkassel to Black Forest (Colorado) | 4,983.17 mi (8,019.64 km) |
| Niederkassel to Blackfoot (Idaho) | 4,993.14 mi (8,035.69 km) |
| Niederkassel to Blackhawk (California) | 5,576.04 mi (8,973.76 km) |
| Niederkassel to Blacksburg (Virginia) | 4,185.49 mi (6,735.89 km) |
| Niederkassel to Blackwells Mills (New Jersey) | 3,802.33 mi (6,119.26 km) |
| Niederkassel to Blaine (Minnesota) | 4,279.05 mi (6,886.47 km) |
| Niederkassel to Bloomingdale (Florida) | 4,720.92 mi (7,597.59 km) |
| Niederkassel to Bloomingdale (Illinois) | 4,253.56 mi (6,845.44 km) |
| Niederkassel to Bloomington (California) | 5,669.76 mi (9,124.59 km) |
| Niederkassel to Bloomington (Illinois) | 4,357.77 mi (7,013.15 km) |
| Niederkassel to Bloomington (Indiana) | 4,330.08 mi (6,968.59 km) |
| Niederkassel to Bloomington (Minnesota) | 4,299.39 mi (6,919.20 km) |
| Niederkassel to Bloomsburg (Pennsylvania) | 3,852.83 mi (6,200.53 km) |
| Niederkassel to Blue Ash (Ohio) | 4,244.02 mi (6,830.09 km) |
| Niederkassel to Blue Island (Illinois) | 4,252.58 mi (6,843.87 km) |
