| Kingsport to Cortona | 4,753.19 mi (7,649.53 km) |
| Kingsport to Cosenza | 5,087.26 mi (8,187.15 km) |
| Kingsport to Cossato | 4,511.32 mi (7,260.27 km) |
| Kingsport to Costa Volpino | 4,584.79 mi (7,378.50 km) |
| Kingsport to Creazzo | 4,653.12 mi (7,488.47 km) |
| Kingsport to Crema | 4,582.59 mi (7,374.96 km) |
| Kingsport to Cremona | 4,605.29 mi (7,411.49 km) |
| Kingsport to Crevalcore | 4,667.01 mi (7,510.82 km) |
| Kingsport to Crispiano | 5,079.80 mi (8,175.14 km) |
| Kingsport to Crosia | 5,099.69 mi (8,207.15 km) |
| Kingsport to Crotone | 5,134.02 mi (8,262.40 km) |
| Kingsport to Cuneo | 4,522.90 mi (7,278.91 km) |
| Kingsport to Cuorgne | 4,494.83 mi (7,233.74 km) |
| Kingsport to Cusano Milanino | 4,555.25 mi (7,330.97 km) |
| Kingsport to Cutro | 5,130.07 mi (8,256.05 km) |
