| Shannon to Corinth (Mississippi) | 3,936.62 mi (6,335.38 km) |
| Shannon to Corinth (Texas) | 4,366.47 mi (7,027.15 km) |
| Shannon to Cornelius (North Carolina) | 3,600.90 mi (5,795.09 km) |
| Shannon to Cornelius (Oregon) | 4,616.14 mi (7,428.96 km) |
| Shannon to Corning (New York) | 3,144.46 mi (5,060.52 km) |
| Shannon to Corona (California) | 5,086.44 mi (8,185.83 km) |
| Shannon to Coronado (California) | 5,138.76 mi (8,270.04 km) |
| Shannon to Corpus Christi (Texas) | 4,657.68 mi (7,495.81 km) |
| Shannon to Corsicana (Texas) | 4,396.72 mi (7,075.83 km) |
| Shannon to Cortland (New York) | 3,089.86 mi (4,972.64 km) |
| Shannon to Corvallis (Oregon) | 4,675.29 mi (7,524.15 km) |
| Shannon to Coshocton (Ohio) | 3,419.79 mi (5,503.62 km) |
| Shannon to Costa Mesa (California) | 5,109.20 mi (8,222.46 km) |
| Shannon to Coto de Caza (California) | 5,101.88 mi (8,210.69 km) |
| Shannon to Cottage Grove (Minnesota) | 3,644.84 mi (5,865.81 km) |
