| McKeesport to Cortona | 4,476.19 mi (7,203.74 km) |
| McKeesport to Cosenza | 4,813.84 mi (7,747.12 km) |
| McKeesport to Cossato | 4,232.95 mi (6,812.28 km) |
| McKeesport to Costa Volpino | 4,304.45 mi (6,927.34 km) |
| McKeesport to Creazzo | 4,372.29 mi (7,036.52 km) |
| McKeesport to Crema | 4,303.45 mi (6,925.73 km) |
| McKeesport to Cremona | 4,326.32 mi (6,962.54 km) |
| McKeesport to Crevalcore | 4,387.95 mi (7,061.73 km) |
| McKeesport to Crispiano | 4,802.97 mi (7,729.64 km) |
| McKeesport to Crosia | 4,825.23 mi (7,765.45 km) |
| McKeesport to Crotone | 4,860.10 mi (7,821.58 km) |
| McKeesport to Cuneo | 4,247.45 mi (6,835.60 km) |
| McKeesport to Cuorgne | 4,217.22 mi (6,786.95 km) |
| McKeesport to Cusano Milanino | 4,276.14 mi (6,881.78 km) |
| McKeesport to Cutro | 4,856.39 mi (7,815.61 km) |
