| Grays to Corinth (Mississippi) | 4,333.09 mi (6,973.43 km) |
| Grays to Corinth (Texas) | 4,758.06 mi (7,657.36 km) |
| Grays to Cornelius (North Carolina) | 4,000.02 mi (6,437.41 km) |
| Grays to Cornelius (Oregon) | 4,937.01 mi (7,945.35 km) |
| Grays to Corning (New York) | 3,541.54 mi (5,699.56 km) |
| Grays to Corona (California) | 5,445.78 mi (8,764.13 km) |
| Grays to Coronado (California) | 5,501.08 mi (8,853.13 km) |
| Grays to Corpus Christi (Texas) | 5,053.49 mi (8,132.80 km) |
| Grays to Corsicana (Texas) | 4,789.86 mi (7,708.53 km) |
| Grays to Cortland (New York) | 3,486.98 mi (5,611.75 km) |
| Grays to Corvallis (Oregon) | 4,997.98 mi (8,043.46 km) |
| Grays to Coshocton (Ohio) | 3,815.96 mi (6,141.20 km) |
| Grays to Costa Mesa (California) | 5,468.14 mi (8,800.13 km) |
| Grays to Coto de Caza (California) | 5,461.65 mi (8,789.68 km) |
| Grays to Cottage Grove (Minnesota) | 4,024.23 mi (6,476.38 km) |
