| Niederkassel to Columbia (Illinois) | 4,503.98 mi (7,248.46 km) |
| Niederkassel to Columbia (Maryland) | 3,950.76 mi (6,358.13 km) |
| Niederkassel to Columbia (Missouri) | 4,557.57 mi (7,334.70 km) |
| Niederkassel to Columbia (Pennsylvania) | 3,898.10 mi (6,273.38 km) |
| Niederkassel to Columbia (South Carolina) | 4,358.53 mi (7,014.37 km) |
| Niederkassel to Columbia (Tennessee) | 4,524.59 mi (7,281.63 km) |
| Niederkassel to Columbia Heights (Minnesota) | 4,286.36 mi (6,898.22 km) |
| Niederkassel to Columbine (Colorado) | 4,967.48 mi (7,994.39 km) |
| Niederkassel to Columbus (Georgia) | 4,594.36 mi (7,393.91 km) |
| Niederkassel to Columbus (Indiana) | 4,304.73 mi (6,927.79 km) |
| Niederkassel to Columbus (Mississippi) | 4,684.05 mi (7,538.25 km) |
| Niederkassel to Columbus (Nebraska) | 4,609.75 mi (7,418.67 km) |
| Niederkassel to Columbus (Ohio) | 4,155.00 mi (6,686.83 km) |
| Niederkassel to Commack (New York) | 3,733.29 mi (6,008.15 km) |
| Niederkassel to Commerce (California) | 5,696.01 mi (9,166.85 km) |
