| Shannon to Cicero (Illinois) | 3,582.49 mi (5,765.46 km) |
| Shannon to Cimarron Hills (Colorado) | 4,365.00 mi (7,024.79 km) |
| Shannon to Cincinnati (Ohio) | 3,577.20 mi (5,756.94 km) |
| Shannon to Cinco Ranch (Texas) | 4,488.56 mi (7,223.65 km) |
| Shannon to Circleville (Ohio) | 3,492.92 mi (5,621.31 km) |
| Shannon to Citrus (California) | 5,083.45 mi (8,181.02 km) |
| Shannon to Citrus Heights (California) | 4,941.14 mi (7,951.99 km) |
| Shannon to Citrus Park (Florida) | 4,032.70 mi (6,490.01 km) |
| Shannon to Claiborne (Louisiana) | 4,203.62 mi (6,765.08 km) |
| Shannon to Claremont (California) | 5,076.96 mi (8,170.57 km) |
| Shannon to Claremont (New Hampshire) | 2,902.00 mi (4,670.31 km) |
| Shannon to Claremore (Oklahoma) | 4,150.48 mi (6,679.56 km) |
| Shannon to Clarksburg (Maryland) | 3,280.28 mi (5,279.09 km) |
| Shannon to Clarksburg (West Virginia) | 3,402.05 mi (5,475.07 km) |
| Shannon to Clarksdale (Mississippi) | 4,056.07 mi (6,527.62 km) |
