| Idaho Falls to Capodrise | 5,711.28 mi (9,191.42 km) |
| Idaho Falls to Capoterra | 5,642.45 mi (9,080.65 km) |
| Idaho Falls to Capriolo | 5,326.44 mi (8,572.07 km) |
| Idaho Falls to Capua | 5,705.54 mi (9,182.17 km) |
| Idaho Falls to Capurso | 5,790.15 mi (9,318.35 km) |
| Idaho Falls to Carate Brianza | 5,296.55 mi (8,523.98 km) |
| Idaho Falls to Caravaggio | 5,325.02 mi (8,569.78 km) |
| Idaho Falls to Carbonera | 5,394.52 mi (8,681.65 km) |
| Idaho Falls to Carbonia | 5,627.68 mi (9,056.88 km) |
| Idaho Falls to Cardito | 5,716.86 mi (9,200.40 km) |
| Idaho Falls to Carignano | 5,294.92 mi (8,521.36 km) |
| Idaho Falls to Carini | 5,838.43 mi (9,396.05 km) |
| Idaho Falls to Carlentini | 5,944.86 mi (9,567.32 km) |
| Idaho Falls to Carmagnola | 5,299.30 mi (8,528.40 km) |
| Idaho Falls to Carmiano | 5,863.65 mi (9,436.63 km) |
