| Seia to Castle Rock (Colorado) | 4,853.02 mi (7,810.18 km) |
| Seia to Castro Valley (California) | 5,629.63 mi (9,060.02 km) |
| Seia to Catalina Foothills (Arizona) | 5,422.10 mi (8,726.03 km) |
| Seia to Cataño (Puerto Rico) | 3,754.13 mi (6,041.69 km) |
| Seia to Cathedral City (California) | 5,591.63 mi (8,998.86 km) |
| Seia to Catonsville (Maryland) | 3,564.83 mi (5,737.03 km) |
| Seia to Cave Spring (Virginia) | 3,785.93 mi (6,092.87 km) |
| Seia to Cayce (South Carolina) | 3,945.43 mi (6,349.56 km) |
| Seia to Cayey (Puerto Rico) | 3,768.57 mi (6,064.93 km) |
| Seia to Cedar City (Utah) | 5,273.41 mi (8,486.73 km) |
| Seia to Cedar Falls (Iowa) | 4,193.18 mi (6,748.28 km) |
| Seia to Cedar Hill (Texas) | 4,771.18 mi (7,678.47 km) |
| Seia to Cedar Lake (Indiana) | 4,005.45 mi (6,446.15 km) |
| Seia to Cedar Mill (Oregon) | 5,272.91 mi (8,485.94 km) |
| Seia to Cedar Park (Texas) | 4,896.05 mi (7,879.43 km) |
