| Philadelphia to Cadillac (Michigan) | 602.28 mi (969.27 km) |
| Philadelphia to Caguas (Puerto Rico) | 1,599.34 mi (2,573.88 km) |
| Philadelphia to Cahokia (Illinois) | 809.76 mi (1,303.18 km) |
| Philadelphia to Calabasas (California) | 2,409.76 mi (3,878.13 km) |
| Philadelphia to Caldwell (Idaho) | 2,130.27 mi (3,428.33 km) |
| Philadelphia to Caledonia (Wisconsin) | 687.17 mi (1,105.89 km) |
| Philadelphia to Calera (Alabama) | 799.66 mi (1,286.93 km) |
| Philadelphia to Calexico (California) | 2,282.03 mi (3,672.57 km) |
| Philadelphia to Calhoun (Georgia) | 659.70 mi (1,061.68 km) |
| Philadelphia to California (Maryland) | 138.88 mi (223.51 km) |
| Philadelphia to California City (California) | 2,341.40 mi (3,768.12 km) |
| Philadelphia to Callaway (Florida) | 900.15 mi (1,448.64 km) |
| Philadelphia to Calumet City (Illinois) | 658.13 mi (1,059.16 km) |
| Philadelphia to Calverton (Maryland) | 116.88 mi (188.09 km) |
| Philadelphia to Camano (Washington) | 2,375.97 mi (3,823.76 km) |
