| South Milwaukee to Cognac | 4,103.06 mi (6,603.24 km) |
| South Milwaukee to Cogolin | 4,477.65 mi (7,206.07 km) |
| South Milwaukee to Colmar | 4,316.60 mi (6,946.90 km) |
| South Milwaukee to Colombes | 4,089.13 mi (6,580.82 km) |
| South Milwaukee to Colomiers | 4,249.62 mi (6,839.11 km) |
| South Milwaukee to Combs-la-Ville | 4,110.25 mi (6,614.81 km) |
| South Milwaukee to Comines | 4,052.12 mi (6,521.25 km) |
| South Milwaukee to Compiegne | 4,093.38 mi (6,587.65 km) |
| South Milwaukee to Concarneau | 3,880.52 mi (6,245.10 km) |
| South Milwaukee to Conde-sur-l'Escaut | 4,085.14 mi (6,574.40 km) |
| South Milwaukee to Conflans-Sainte-Honorine | 4,080.45 mi (6,566.85 km) |
| South Milwaukee to Corbas | 4,315.67 mi (6,945.39 km) |
| South Milwaukee to Corbeil-Essonnes | 4,109.26 mi (6,613.22 km) |
| South Milwaukee to Cormeilles-en-Parisis | 4,085.35 mi (6,574.74 km) |
| South Milwaukee to Cosne sur Loire | 4,170.88 mi (6,712.39 km) |
