| Shannon to Caño Martin Peña (Puerto Rico) | 3,850.89 mi (6,197.41 km) |
| Shannon to Cañon City (Colorado) | 4,405.21 mi (7,089.50 km) |
| Shannon to Canóvanas (Puerto Rico) | 3,848.20 mi (6,193.07 km) |
| Shannon to Canton (Georgia) | 3,807.28 mi (6,127.22 km) |
| Shannon to Canton (Illinois) | 3,729.96 mi (6,002.78 km) |
| Shannon to Canton (Mississippi) | 4,113.38 mi (6,619.85 km) |
| Shannon to Canton (Ohio) | 3,376.19 mi (5,433.45 km) |
| Shannon to Canyon (Texas) | 4,459.48 mi (7,176.83 km) |
| Shannon to Canyon Lake (California) | 5,085.61 mi (8,184.50 km) |
| Shannon to Canyon Lake (Texas) | 4,581.15 mi (7,372.64 km) |
| Shannon to Cape Coral (Florida) | 4,081.50 mi (6,568.54 km) |
| Shannon to Cape Girardeau (Missouri) | 3,864.44 mi (6,219.21 km) |
| Shannon to Carbondale (Illinois) | 3,831.50 mi (6,166.21 km) |
| Shannon to Carlisle (Pennsylvania) | 3,234.58 mi (5,205.55 km) |
| Shannon to Carlsbad (California) | 5,117.56 mi (8,235.91 km) |
