| Niederkassel to Chantilly (Virginia) | 3,988.65 mi (6,419.12 km) |
| Niederkassel to Chaparral (New Mexico) | 5,428.39 mi (8,736.16 km) |
| Niederkassel to Chapel Hill (North Carolina) | 4,191.82 mi (6,746.08 km) |
| Niederkassel to Charleston (Illinois) | 4,376.85 mi (7,043.86 km) |
| Niederkassel to Charleston (South Carolina) | 4,380.09 mi (7,049.07 km) |
| Niederkassel to Charleston (West Virginia) | 4,179.97 mi (6,727.01 km) |
| Niederkassel to Charlotte (North Carolina) | 4,298.68 mi (6,918.06 km) |
| Niederkassel to Charlottesville (Virginia) | 4,069.77 mi (6,549.66 km) |
| Niederkassel to Chaska (Minnesota) | 4,310.20 mi (6,936.59 km) |
| Niederkassel to Chatham (Illinois) | 4,424.10 mi (7,119.90 km) |
| Niederkassel to Chattanooga (Tennessee) | 4,481.79 mi (7,212.74 km) |
| Niederkassel to Cheat Lake (West Virginia) | 4,048.12 mi (6,514.81 km) |
| Niederkassel to Chelsea (Alabama) | 4,623.23 mi (7,440.38 km) |
| Niederkassel to Chelsea (Massachusetts) | 3,575.47 mi (5,754.16 km) |
| Niederkassel to Cheney (Washington) | 4,891.69 mi (7,872.41 km) |
