| Phoenixville to Cortona | 4,298.97 mi (6,918.53 km) |
| Phoenixville to Cosenza | 4,632.38 mi (7,455.09 km) |
| Phoenixville to Cossato | 4,057.52 mi (6,529.94 km) |
| Phoenixville to Costa Volpino | 4,131.63 mi (6,649.22 km) |
| Phoenixville to Creazzo | 4,200.14 mi (6,759.47 km) |
| Phoenixville to Crema | 4,129.01 mi (6,645.00 km) |
| Phoenixville to Cremona | 4,151.64 mi (6,681.42 km) |
| Phoenixville to Crevalcore | 4,213.38 mi (6,780.78 km) |
| Phoenixville to Crispiano | 4,625.49 mi (7,444.00 km) |
| Phoenixville to Crosia | 4,644.94 mi (7,475.31 km) |
| Phoenixville to Crotone | 4,679.19 mi (7,530.43 km) |
| Phoenixville to Cuneo | 4,068.39 mi (6,547.44 km) |
| Phoenixville to Cuorgne | 4,040.82 mi (6,503.07 km) |
| Phoenixville to Cusano Milanino | 4,101.67 mi (6,601.00 km) |
| Phoenixville to Cutro | 4,675.21 mi (7,524.03 km) |
