| Idil to Cavaillon | 1,967.90 mi (3,167.02 km) |
| Idil to Cebazat | 2,066.35 mi (3,325.47 km) |
| Idil to Cenon | 2,242.25 mi (3,608.55 km) |
| Idil to Cergy | 2,133.28 mi (3,433.18 km) |
| Idil to Cernay | 1,889.01 mi (3,040.07 km) |
| Idil to Cesson | 2,105.05 mi (3,387.74 km) |
| Idil to Cesson-Sevigne | 2,294.98 mi (3,693.42 km) |
| Idil to Cestas | 2,249.88 mi (3,620.82 km) |
| Idil to Chalette-sur-Loing | 2,094.64 mi (3,371.00 km) |
| Idil to Challans | 2,305.51 mi (3,710.36 km) |
| Idil to Chalon-sur-Saone | 1,987.53 mi (3,198.63 km) |
| Idil to Chalons-en-Champagne | 2,029.20 mi (3,265.69 km) |
| Idil to Chamalieres | 2,067.77 mi (3,327.76 km) |
| Idil to Chambery | 1,929.84 mi (3,105.78 km) |
| Idil to Chambly | 2,126.12 mi (3,421.66 km) |
