| Shannon to Castle Rock (Colorado) | 4,344.29 mi (6,991.45 km) |
| Shannon to Castro Valley (California) | 5,020.98 mi (8,080.48 km) |
| Shannon to Catalina Foothills (Arizona) | 4,934.74 mi (7,941.70 km) |
| Shannon to Cataño (Puerto Rico) | 3,854.30 mi (6,202.89 km) |
| Shannon to Cathedral City (California) | 5,049.89 mi (8,127.02 km) |
| Shannon to Catonsville (Maryland) | 3,257.07 mi (5,241.75 km) |
| Shannon to Cave Spring (Virginia) | 3,483.18 mi (5,605.64 km) |
| Shannon to Cayce (South Carolina) | 3,680.22 mi (5,922.74 km) |
| Shannon to Cayey (Puerto Rico) | 3,872.63 mi (6,232.39 km) |
| Shannon to Cedar City (Utah) | 4,724.24 mi (7,602.93 km) |
| Shannon to Cedar Falls (Iowa) | 3,731.95 mi (6,005.99 km) |
| Shannon to Cedar Hill (Texas) | 4,390.76 mi (7,066.25 km) |
| Shannon to Cedar Lake (Indiana) | 3,591.52 mi (5,779.99 km) |
| Shannon to Cedar Mill (Oregon) | 4,607.92 mi (7,415.73 km) |
| Shannon to Cedar Park (Texas) | 4,530.86 mi (7,291.71 km) |
