| Philadelphia to Cloverleaf (Texas) | 1,332.40 mi (2,144.29 km) |
| Philadelphia to Cloverly (Maryland) | 117.28 mi (188.74 km) |
| Philadelphia to Clovis (California) | 2,396.56 mi (3,856.89 km) |
| Philadelphia to Clovis (New Mexico) | 1,583.80 mi (2,548.88 km) |
| Philadelphia to Clute (Texas) | 1,375.57 mi (2,213.77 km) |
| Philadelphia to Coachella (California) | 2,288.32 mi (3,682.70 km) |
| Philadelphia to Coalinga (California) | 2,446.10 mi (3,936.62 km) |
| Philadelphia to Coamo (Puerto Rico) | 1,603.12 mi (2,579.98 km) |
| Philadelphia to Coatesville (Pennsylvania) | 36.35 mi (58.50 km) |
| Philadelphia to Cockeysville (Maryland) | 87.40 mi (140.66 km) |
| Philadelphia to Cocoa (Florida) | 864.87 mi (1,391.88 km) |
| Philadelphia to Cocoa Beach (Florida) | 865.15 mi (1,392.33 km) |
| Philadelphia to Coconut Creek (Florida) | 991.97 mi (1,596.43 km) |
| Philadelphia to Coeur d'Alene (Idaho) | 2,115.09 mi (3,403.90 km) |
| Philadelphia to Cohoes (New York) | 204.87 mi (329.71 km) |
