| Calumet City to Butzbach | 4,324.19 mi (6,959.11 km) |
| Calumet City to Buxtehude | 4,247.62 mi (6,835.89 km) |
| Calumet City to Cadolzburg | 4,443.57 mi (7,151.23 km) |
| Calumet City to Calbe | 4,380.01 mi (7,048.95 km) |
| Calumet City to Calw | 4,392.49 mi (7,069.03 km) |
| Calumet City to Castrop-Rauxel | 4,233.51 mi (6,813.18 km) |
| Calumet City to Celle | 4,292.75 mi (6,908.52 km) |
| Calumet City to Cham | 4,518.35 mi (7,271.58 km) |
| Calumet City to Chemnitz | 4,462.70 mi (7,182.03 km) |
| Calumet City to Clausthal-Zellerfeld | 4,332.84 mi (6,973.03 km) |
| Calumet City to Cloppenburg | 4,212.64 mi (6,779.58 km) |
| Calumet City to Coburg | 4,415.09 mi (7,105.41 km) |
| Calumet City to Coesfeld | 4,213.53 mi (6,781.02 km) |
| Calumet City to Cologne | 4,242.54 mi (6,827.70 km) |
| Calumet City to Coswig | 4,474.18 mi (7,200.49 km) |
