| Idaho Falls to Busto Arsizio | 5,294.55 mi (8,520.76 km) |
| Idaho Falls to Busto Garolfo | 5,299.04 mi (8,527.99 km) |
| Idaho Falls to Cabras | 5,587.05 mi (8,991.48 km) |
| Idaho Falls to Cadelbosco di Sopra | 5,393.62 mi (8,680.20 km) |
| Idaho Falls to Cadoneghe | 5,396.86 mi (8,685.41 km) |
| Idaho Falls to Cagli | 5,522.40 mi (8,887.45 km) |
| Idaho Falls to Cagliari | 5,644.29 mi (9,083.60 km) |
| Idaho Falls to Cairo Montenotte | 5,340.50 mi (8,594.71 km) |
| Idaho Falls to Caivano | 5,716.86 mi (9,200.40 km) |
| Idaho Falls to Calcinaia | 5,452.66 mi (8,775.21 km) |
| Idaho Falls to Calcinato | 5,350.71 mi (8,611.13 km) |
| Idaho Falls to Calderara di Reno | 5,424.81 mi (8,730.39 km) |
| Idaho Falls to Caldogno | 5,375.60 mi (8,651.19 km) |
| Idaho Falls to Calenzano | 5,459.75 mi (8,786.62 km) |
| Idaho Falls to Calolziocorte | 5,302.45 mi (8,533.47 km) |
