| Niederkassel to Allouez (Wisconsin) | 4,130.65 mi (6,647.63 km) |
| Niederkassel to Aloha (Oregon) | 5,141.64 mi (8,274.67 km) |
| Niederkassel to Alpena (Michigan) | 3,936.05 mi (6,334.46 km) |
| Niederkassel to Alpharetta (Georgia) | 4,492.47 mi (7,229.93 km) |
| Niederkassel to Alpine (California) | 5,721.58 mi (9,208.00 km) |
| Niederkassel to Alpine (Utah) | 5,130.32 mi (8,256.45 km) |
| Niederkassel to Alsip (Illinois) | 4,254.05 mi (6,846.23 km) |
| Niederkassel to Altadena (California) | 5,683.92 mi (9,147.38 km) |
| Niederkassel to Altamont (Oregon) | 5,309.30 mi (8,544.49 km) |
| Niederkassel to Altamonte Springs (Florida) | 4,645.37 mi (7,475.99 km) |
| Niederkassel to Alton (Illinois) | 4,479.37 mi (7,208.85 km) |
| Niederkassel to Alton (Texas) | 5,447.87 mi (8,767.50 km) |
| Niederkassel to Altoona (Iowa) | 4,463.20 mi (7,182.82 km) |
| Niederkassel to Altoona (Pennsylvania) | 3,952.03 mi (6,360.18 km) |
| Niederkassel to Altus (Oklahoma) | 5,034.69 mi (8,102.55 km) |
