| Amarillo to Cortona | 5,602.87 mi (9,016.95 km) |
| Amarillo to Cosenza | 5,951.29 mi (9,577.68 km) |
| Amarillo to Cossato | 5,356.72 mi (8,620.81 km) |
| Amarillo to Costa Volpino | 5,418.07 mi (8,719.54 km) |
| Amarillo to Creazzo | 5,482.57 mi (8,823.34 km) |
| Amarillo to Crema | 5,422.76 mi (8,727.08 km) |
| Amarillo to Cremona | 5,446.14 mi (8,764.72 km) |
| Amarillo to Crevalcore | 5,506.55 mi (8,861.94 km) |
| Amarillo to Crispiano | 5,926.37 mi (9,537.58 km) |
| Amarillo to Crosia | 5,958.40 mi (9,589.11 km) |
| Amarillo to Crotone | 5,995.08 mi (9,648.15 km) |
| Amarillo to Cuneo | 5,383.39 mi (8,663.73 km) |
| Amarillo to Cuorgne | 5,344.52 mi (8,601.17 km) |
| Amarillo to Cusano Milanino | 5,395.95 mi (8,683.94 km) |
| Amarillo to Cutro | 5,992.35 mi (9,643.76 km) |
