| Sun Prairie to Carmona | 4,233.00 mi (6,812.36 km) |
| Sun Prairie to Cartagena | 4,436.21 mi (7,139.38 km) |
| Sun Prairie to Cartama | 4,308.13 mi (6,933.27 km) |
| Sun Prairie to Cartaya | 4,171.09 mi (6,712.72 km) |
| Sun Prairie to Caspe | 4,331.99 mi (6,971.67 km) |
| Sun Prairie to Cassa de la Selva | 4,428.32 mi (7,126.69 km) |
| Sun Prairie to Castalla | 4,409.62 mi (7,096.60 km) |
| Sun Prairie to Castellbisbal | 4,407.64 mi (7,093.41 km) |
| Sun Prairie to Castelldefels | 4,415.34 mi (7,105.80 km) |
| Sun Prairie to Castello de Ampurias | 4,421.72 mi (7,116.07 km) |
| Sun Prairie to Castellon de la Plana | 4,381.70 mi (7,051.67 km) |
| Sun Prairie to Castilleja de la Cuesta | 4,217.34 mi (6,787.15 km) |
| Sun Prairie to Catarroja | 4,388.85 mi (7,063.18 km) |
| Sun Prairie to Catral | 4,421.37 mi (7,115.51 km) |
| Sun Prairie to Caudete | 4,391.37 mi (7,067.22 km) |
