| South Sioux City to Butzbach | 4,596.85 mi (7,397.91 km) |
| South Sioux City to Buxtehude | 4,499.55 mi (7,241.33 km) |
| South Sioux City to Cadolzburg | 4,715.77 mi (7,589.31 km) |
| South Sioux City to Calbe | 4,635.76 mi (7,460.54 km) |
| South Sioux City to Calw | 4,674.67 mi (7,523.16 km) |
| South Sioux City to Castrop-Rauxel | 4,503.19 mi (7,247.19 km) |
| South Sioux City to Celle | 4,548.81 mi (7,320.61 km) |
| South Sioux City to Cham | 4,786.78 mi (7,703.57 km) |
| South Sioux City to Chemnitz | 4,721.40 mi (7,598.35 km) |
| South Sioux City to Clausthal-Zellerfeld | 4,593.07 mi (7,391.83 km) |
| South Sioux City to Cloppenburg | 4,472.62 mi (7,197.98 km) |
| South Sioux City to Coburg | 4,682.45 mi (7,535.67 km) |
| South Sioux City to Coesfeld | 4,481.20 mi (7,211.80 km) |
| South Sioux City to Cologne | 4,516.78 mi (7,269.05 km) |
| South Sioux City to Coswig | 4,729.29 mi (7,611.05 km) |
