| Philadelphia to Carlsbad (California) | 2,364.23 mi (3,804.86 km) |
| Philadelphia to Carlsbad (New Mexico) | 1,696.80 mi (2,730.74 km) |
| Philadelphia to Carmel (Indiana) | 582.61 mi (937.62 km) |
| Philadelphia to Carmichael (California) | 2,442.92 mi (3,931.50 km) |
| Philadelphia to Carney (Maryland) | 84.79 mi (136.46 km) |
| Philadelphia to Carnot-Moon (Pennsylvania) | 270.32 mi (435.04 km) |
| Philadelphia to Carol Stream (Illinois) | 690.12 mi (1,110.63 km) |
| Philadelphia to Carolina (Puerto Rico) | 1,589.15 mi (2,557.49 km) |
| Philadelphia to Carolina Forest (South Carolina) | 479.10 mi (771.03 km) |
| Philadelphia to Carpentersville (Illinois) | 699.97 mi (1,126.50 km) |
| Philadelphia to Carpinteria (California) | 2,447.35 mi (3,938.63 km) |
| Philadelphia to Carrboro (North Carolina) | 354.77 mi (570.95 km) |
| Philadelphia to Carroll (Iowa) | 1,035.72 mi (1,666.83 km) |
| Philadelphia to Carrollton (Georgia) | 706.45 mi (1,136.92 km) |
| Philadelphia to Carrollton (Texas) | 1,298.30 mi (2,089.42 km) |
