| Idaho Falls to Corato | 5,769.15 mi (9,284.55 km) |
| Idaho Falls to Corbetta | 5,304.28 mi (8,536.41 km) |
| Idaho Falls to Corciano | 5,534.10 mi (8,906.27 km) |
| Idaho Falls to Cordenons | 5,390.37 mi (8,674.96 km) |
| Idaho Falls to Cori | 5,635.44 mi (9,069.37 km) |
| Idaho Falls to Coriano | 5,498.00 mi (8,848.17 km) |
| Idaho Falls to Corigliano Calabro | 5,860.59 mi (9,431.70 km) |
| Idaho Falls to Corleone | 5,859.80 mi (9,430.43 km) |
| Idaho Falls to Cormano | 5,307.58 mi (8,541.72 km) |
| Idaho Falls to Cornaredo | 5,306.12 mi (8,539.37 km) |
| Idaho Falls to Cornate d'Adda | 5,311.47 mi (8,547.99 km) |
| Idaho Falls to Cornedo Vicentino | 5,370.37 mi (8,642.78 km) |
| Idaho Falls to Correggio | 5,399.00 mi (8,688.86 km) |
| Idaho Falls to Corridonia | 5,565.15 mi (8,956.25 km) |
| Idaho Falls to Corsico | 5,312.25 mi (8,549.23 km) |
