| Idaho Falls to Cavaillon | 5,265.21 mi (8,473.53 km) |
| Idaho Falls to Cebazat | 5,099.46 mi (8,206.79 km) |
| Idaho Falls to Cenon | 5,025.11 mi (8,087.13 km) |
| Idaho Falls to Cergy | 4,906.10 mi (7,895.61 km) |
| Idaho Falls to Cernay | 5,127.67 mi (8,252.18 km) |
| Idaho Falls to Cesson | 4,946.46 mi (7,960.56 km) |
| Idaho Falls to Cesson-Sevigne | 4,831.09 mi (7,774.89 km) |
| Idaho Falls to Cestas | 5,025.43 mi (8,087.64 km) |
| Idaho Falls to Chalette-sur-Loing | 4,978.33 mi (8,011.85 km) |
| Idaho Falls to Challans | 4,882.66 mi (7,857.88 km) |
| Idaho Falls to Chalon-sur-Saone | 5,108.08 mi (8,220.66 km) |
| Idaho Falls to Chalons-en-Champagne | 4,982.20 mi (8,018.08 km) |
| Idaho Falls to Chamalieres | 5,101.28 mi (8,209.72 km) |
| Idaho Falls to Chambery | 5,204.17 mi (8,375.30 km) |
| Idaho Falls to Chambly | 4,905.52 mi (7,894.67 km) |
