| Grays to Commerce City (Colorado) | 4,691.02 mi (7,549.46 km) |
| Grays to Compton (California) | 5,465.23 mi (8,795.43 km) |
| Grays to Comstock Park (Michigan) | 3,838.16 mi (6,176.92 km) |
| Grays to Concord (California) | 5,345.33 mi (8,602.48 km) |
| Grays to Concord (Missouri) | 4,230.59 mi (6,808.47 km) |
| Grays to Concord (New Hampshire) | 3,274.79 mi (5,270.27 km) |
| Grays to Concord (North Carolina) | 3,993.77 mi (6,427.36 km) |
| Grays to Conneaut (Ohio) | 3,690.44 mi (5,939.18 km) |
| Grays to Connersville (Indiana) | 3,973.54 mi (6,394.79 km) |
| Grays to Conroe (Texas) | 4,842.75 mi (7,793.66 km) |
| Grays to Converse (Texas) | 4,995.86 mi (8,040.06 km) |
| Grays to Conway (Arkansas) | 4,482.06 mi (7,213.18 km) |
| Grays to Conway (Florida) | 4,358.86 mi (7,014.91 km) |
| Grays to Conway (South Carolina) | 4,002.04 mi (6,440.66 km) |
| Grays to Conyers (Georgia) | 4,214.19 mi (6,782.08 km) |
