| Niederkassel to Glen Carbon (Illinois) | 4,480.30 mi (7,210.35 km) |
| Niederkassel to Glen Cove (New York) | 3,745.96 mi (6,028.54 km) |
| Niederkassel to Glen Ellyn (Illinois) | 4,256.59 mi (6,850.32 km) |
| Niederkassel to Glen Rock (New Jersey) | 3,761.91 mi (6,054.21 km) |
| Niederkassel to Glendale (Arizona) | 5,536.49 mi (8,910.11 km) |
| Niederkassel to Glendale (California) | 5,687.89 mi (9,153.78 km) |
| Niederkassel to Glendale (Wisconsin) | 4,191.01 mi (6,744.78 km) |
| Niederkassel to Glendale Heights (Illinois) | 4,254.61 mi (6,847.13 km) |
| Niederkassel to Glendora (California) | 5,678.14 mi (9,138.08 km) |
| Niederkassel to Glenmont (Maryland) | 3,964.27 mi (6,379.87 km) |
| Niederkassel to Glenn Dale (Maryland) | 3,958.52 mi (6,370.63 km) |
| Niederkassel to Glenn Heights (Texas) | 5,056.83 mi (8,138.18 km) |
| Niederkassel to Glenpool (Oklahoma) | 4,846.48 mi (7,799.65 km) |
| Niederkassel to Glens Falls (New York) | 3,640.34 mi (5,858.57 km) |
| Niederkassel to Glenvar Heights (Florida) | 4,749.55 mi (7,643.66 km) |
