| South Milwaukee to Coudekerque-Branche | 4,019.71 mi (6,469.10 km) |
| South Milwaukee to Coueron | 3,992.11 mi (6,424.67 km) |
| South Milwaukee to Coulommiers | 4,125.19 mi (6,638.86 km) |
| South Milwaukee to Courbevoic | 4,090.10 mi (6,582.38 km) |
| South Milwaukee to Courcouronnes | 4,106.86 mi (6,609.35 km) |
| South Milwaukee to Cournon-d'Auvergne | 4,244.58 mi (6,830.99 km) |
| South Milwaukee to Courrieres | 4,060.63 mi (6,534.95 km) |
| South Milwaukee to Coutras | 4,135.27 mi (6,655.08 km) |
| South Milwaukee to Couzeix | 4,160.42 mi (6,695.55 km) |
| South Milwaukee to Cran-Gevrier | 4,354.04 mi (7,007.16 km) |
| South Milwaukee to Craponne | 4,305.54 mi (6,929.10 km) |
| South Milwaukee to Creil | 4,085.98 mi (6,575.75 km) |
| South Milwaukee to Crepy-en-Valois | 4,102.38 mi (6,602.15 km) |
| South Milwaukee to Crest | 4,357.39 mi (7,012.55 km) |
| South Milwaukee to Creteil | 4,102.08 mi (6,601.66 km) |
