| Shannon to Cookeville (Tennessee) | 3,757.66 mi (6,047.38 km) |
| Shannon to Coolidge (Arizona) | 4,923.98 mi (7,924.38 km) |
| Shannon to Coon Rapids (Minnesota) | 3,642.76 mi (5,862.46 km) |
| Shannon to Cooper City (Florida) | 4,040.58 mi (6,502.68 km) |
| Shannon to Coos Bay (Oregon) | 4,769.72 mi (7,676.13 km) |
| Shannon to Copiague (New York) | 3,058.23 mi (4,921.74 km) |
| Shannon to Coppell (Texas) | 4,372.52 mi (7,036.89 km) |
| Shannon to Copperas Cove (Texas) | 4,503.23 mi (7,247.24 km) |
| Shannon to Coral Gables (Florida) | 4,057.48 mi (6,529.88 km) |
| Shannon to Coral Springs (Florida) | 4,028.02 mi (6,482.47 km) |
| Shannon to Coral Terrace (Florida) | 4,056.69 mi (6,528.61 km) |
| Shannon to Coralville (Iowa) | 3,737.26 mi (6,014.54 km) |
| Shannon to Coram (New York) | 3,033.35 mi (4,881.70 km) |
| Shannon to Corcoran (California) | 5,030.43 mi (8,095.70 km) |
| Shannon to Cordele (Georgia) | 3,889.27 mi (6,259.17 km) |
