| Niederkassel to Ansonia (Connecticut) | 3,702.66 mi (5,958.86 km) |
| Niederkassel to Antelope (California) | 5,507.41 mi (8,863.32 km) |
| Niederkassel to Anthem (Arizona) | 5,516.96 mi (8,878.69 km) |
| Niederkassel to Antioch (California) | 5,563.27 mi (8,953.21 km) |
| Niederkassel to Antioch (Illinois) | 4,227.66 mi (6,803.75 km) |
| Niederkassel to Apache Junction (Arizona) | 5,524.29 mi (8,890.49 km) |
| Niederkassel to Apex (North Carolina) | 4,194.86 mi (6,750.98 km) |
| Niederkassel to Apollo Beach (Florida) | 4,732.56 mi (7,616.32 km) |
| Niederkassel to Apopka (Florida) | 4,649.01 mi (7,481.86 km) |
| Niederkassel to Apple Valley (California) | 5,636.13 mi (9,070.48 km) |
| Niederkassel to Apple Valley (Minnesota) | 4,299.61 mi (6,919.56 km) |
| Niederkassel to Appleton (Wisconsin) | 4,152.90 mi (6,683.44 km) |
| Niederkassel to Arbutus (Maryland) | 3,942.13 mi (6,344.25 km) |
| Niederkassel to Arcadia (California) | 5,684.46 mi (9,148.26 km) |
| Niederkassel to Arcata (California) | 5,449.76 mi (8,770.54 km) |
