| Idaho Falls to Caltagirone | 5,931.28 mi (9,545.48 km) |
| Idaho Falls to Caltanissetta | 5,902.64 mi (9,499.39 km) |
| Idaho Falls to Calvisano | 5,354.49 mi (8,617.21 km) |
| Idaho Falls to Calvizzano | 5,716.06 mi (9,199.11 km) |
| Idaho Falls to Camaiore | 5,429.31 mi (8,737.63 km) |
| Idaho Falls to Cameri | 5,294.24 mi (8,520.26 km) |
| Idaho Falls to Camisano Vicentino | 5,386.77 mi (8,669.17 km) |
| Idaho Falls to Campagna | 5,757.24 mi (9,265.38 km) |
| Idaho Falls to Campagnano di Roma | 5,592.08 mi (8,999.59 km) |
| Idaho Falls to Campi Bisenzio | 5,461.44 mi (8,789.33 km) |
| Idaho Falls to Campi Salentina | 5,859.69 mi (9,430.26 km) |
| Idaho Falls to Campiglia Marittima | 5,486.02 mi (8,828.90 km) |
| Idaho Falls to Campobasso | 5,693.60 mi (9,162.96 km) |
| Idaho Falls to Campobello di Licata | 5,911.35 mi (9,513.40 km) |
| Idaho Falls to Campobello di Mazara | 5,852.04 mi (9,417.95 km) |
