| Jefferson Hills to Cortona | 4,481.98 mi (7,213.05 km) |
| Jefferson Hills to Cosenza | 4,819.62 mi (7,756.43 km) |
| Jefferson Hills to Cossato | 4,238.74 mi (6,821.59 km) |
| Jefferson Hills to Costa Volpino | 4,310.23 mi (6,936.65 km) |
| Jefferson Hills to Creazzo | 4,378.07 mi (7,045.83 km) |
| Jefferson Hills to Crema | 4,309.23 mi (6,935.04 km) |
| Jefferson Hills to Cremona | 4,332.10 mi (6,971.85 km) |
| Jefferson Hills to Crevalcore | 4,393.74 mi (7,071.04 km) |
| Jefferson Hills to Crispiano | 4,808.76 mi (7,738.95 km) |
| Jefferson Hills to Crosia | 4,831.01 mi (7,774.77 km) |
| Jefferson Hills to Crotone | 4,865.89 mi (7,830.89 km) |
| Jefferson Hills to Cuneo | 4,253.23 mi (6,844.92 km) |
| Jefferson Hills to Cuorgne | 4,223.00 mi (6,796.27 km) |
| Jefferson Hills to Cusano Milanino | 4,281.92 mi (6,891.09 km) |
| Jefferson Hills to Cutro | 4,862.18 mi (7,824.92 km) |
