| Le Mars to Castle Pines (Colorado) | 507.09 mi (816.08 km) |
| Le Mars to Castle Rock (Colorado) | 509.27 mi (819.60 km) |
| Le Mars to Castro Valley (California) | 1,403.50 mi (2,258.72 km) |
| Le Mars to Catalina Foothills (Arizona) | 1,080.31 mi (1,738.59 km) |
| Le Mars to Cataño (Puerto Rico) | 2,428.76 mi (3,908.71 km) |
| Le Mars to Cathedral City (California) | 1,257.06 mi (2,023.05 km) |
| Le Mars to Catonsville (Maryland) | 1,039.06 mi (1,672.21 km) |
| Le Mars to Cave Spring (Virginia) | 935.74 mi (1,505.93 km) |
| Le Mars to Cayce (South Carolina) | 1,019.41 mi (1,640.58 km) |
| Le Mars to Cayey (Puerto Rico) | 2,445.16 mi (3,935.11 km) |
| Le Mars to Cedar City (Utah) | 957.47 mi (1,540.89 km) |
| Le Mars to Cedar Falls (Iowa) | 189.87 mi (305.57 km) |
| Le Mars to Cedar Hill (Texas) | 706.05 mi (1,136.28 km) |
| Le Mars to Cedar Lake (Indiana) | 458.21 mi (737.42 km) |
| Le Mars to Cedar Mill (Oregon) | 1,327.29 mi (2,136.07 km) |
