| Plum to Cadillac (Michigan) | 388.01 mi (624.44 km) |
| Plum to Caguas (Puerto Rico) | 1,741.16 mi (2,802.13 km) |
| Plum to Cahokia (Illinois) | 571.30 mi (919.41 km) |
| Plum to Calabasas (California) | 2,165.07 mi (3,484.34 km) |
| Plum to Caldwell (Idaho) | 1,889.68 mi (3,041.14 km) |
| Plum to Caledonia (Wisconsin) | 448.32 mi (721.50 km) |
| Plum to Calera (Alabama) | 639.46 mi (1,029.11 km) |
| Plum to Calexico (California) | 2,039.89 mi (3,282.89 km) |
| Plum to Calhoun (Georgia) | 503.19 mi (809.81 km) |
| Plum to California (Maryland) | 231.09 mi (371.90 km) |
| Plum to California City (California) | 2,096.26 mi (3,373.61 km) |
| Plum to Callaway (Florida) | 787.11 mi (1,266.73 km) |
| Plum to Calumet City (Illinois) | 413.46 mi (665.40 km) |
| Plum to Calverton (Maryland) | 179.09 mi (288.22 km) |
| Plum to Camano (Washington) | 2,146.96 mi (3,455.20 km) |
