| Rock Ferry to Caguas (Puerto Rico) | 4,108.62 mi (6,612.18 km) |
| Rock Ferry to Cahokia (Illinois) | 4,038.12 mi (6,498.73 km) |
| Rock Ferry to Calabasas (California) | 5,273.08 mi (8,486.20 km) |
| Rock Ferry to Caldwell (Idaho) | 4,672.24 mi (7,519.25 km) |
| Rock Ferry to Caledonia (Wisconsin) | 3,747.49 mi (6,031.00 km) |
| Rock Ferry to Calera (Alabama) | 4,177.19 mi (6,722.54 km) |
| Rock Ferry to Calexico (California) | 5,253.48 mi (8,454.66 km) |
| Rock Ferry to Calhoun (Georgia) | 4,037.39 mi (6,497.54 km) |
| Rock Ferry to California (Maryland) | 3,518.02 mi (5,661.71 km) |
| Rock Ferry to California City (California) | 5,189.30 mi (8,351.38 km) |
| Rock Ferry to Callaway (Florida) | 4,282.24 mi (6,891.60 km) |
| Rock Ferry to Calumet City (Illinois) | 3,791.37 mi (6,101.62 km) |
| Rock Ferry to Calverton (Maryland) | 3,500.70 mi (5,633.84 km) |
| Rock Ferry to Camano (Washington) | 4,578.48 mi (7,368.35 km) |
| Rock Ferry to Camarillo (California) | 5,279.62 mi (8,496.74 km) |
