| Sun Prairie to Cernavoda | 5,261.73 mi (8,467.93 km) |
| Sun Prairie to Chitila | 5,184.69 mi (8,343.96 km) |
| Sun Prairie to Cisnadie | 5,062.85 mi (8,147.86 km) |
| Sun Prairie to Cluj-Napoca | 4,991.96 mi (8,033.79 km) |
| Sun Prairie to Codlea | 5,106.95 mi (8,218.85 km) |
| Sun Prairie to Comanesti | 5,103.28 mi (8,212.94 km) |
| Sun Prairie to Comarnic | 5,135.68 mi (8,265.08 km) |
| Sun Prairie to Constanta | 5,290.31 mi (8,513.93 km) |
| Sun Prairie to Corabia | 5,171.19 mi (8,322.22 km) |
| Sun Prairie to Costesti | 5,139.34 mi (8,270.98 km) |
| Sun Prairie to Covasna | 5,123.86 mi (8,246.05 km) |
| Sun Prairie to Craiova | 5,119.69 mi (8,239.34 km) |
| Sun Prairie to Cristuru Secuiesc | 5,063.71 mi (8,149.25 km) |
| Sun Prairie to Cugir | 5,029.79 mi (8,094.66 km) |
| Sun Prairie to Cumpana | 5,290.55 mi (8,514.32 km) |
