| Omaha to Castle Pines (Colorado) | 480.35 mi (773.05 km) |
| Omaha to Castle Rock (Colorado) | 481.34 mi (774.64 km) |
| Omaha to Castro Valley (California) | 1,403.07 mi (2,258.03 km) |
| Omaha to Catalina Foothills (Arizona) | 1,025.48 mi (1,650.35 km) |
| Omaha to Cataño (Puerto Rico) | 2,365.53 mi (3,806.95 km) |
| Omaha to Cathedral City (California) | 1,226.24 mi (1,973.44 km) |
| Omaha to Catonsville (Maryland) | 1,025.27 mi (1,650.01 km) |
| Omaha to Cave Spring (Virginia) | 901.20 mi (1,450.34 km) |
| Omaha to Cayce (South Carolina) | 962.63 mi (1,549.20 km) |
| Omaha to Cayey (Puerto Rico) | 2,381.36 mi (3,832.43 km) |
| Omaha to Cedar City (Utah) | 940.26 mi (1,513.21 km) |
| Omaha to Cedar Falls (Iowa) | 204.46 mi (329.04 km) |
| Omaha to Cedar Hill (Texas) | 601.92 mi (968.70 km) |
| Omaha to Cedar Lake (Indiana) | 446.90 mi (719.21 km) |
| Omaha to Cedar Mill (Oregon) | 1,368.06 mi (2,201.68 km) |
