| Idylwood to Coudekerque-Branche | 3,786.07 mi (6,093.09 km) |
| Idylwood to Coueron | 3,704.01 mi (5,961.03 km) |
| Idylwood to Coulommiers | 3,870.40 mi (6,228.80 km) |
| Idylwood to Courbevoic | 3,833.27 mi (6,169.05 km) |
| Idylwood to Courcouronnes | 3,847.78 mi (6,192.40 km) |
| Idylwood to Cournon-d'Auvergne | 3,959.17 mi (6,371.67 km) |
| Idylwood to Courrieres | 3,822.70 mi (6,152.04 km) |
| Idylwood to Coutras | 3,830.59 mi (6,164.74 km) |
| Idylwood to Couzeix | 3,869.06 mi (6,226.65 km) |
| Idylwood to Cran-Gevrier | 4,081.36 mi (6,568.31 km) |
| Idylwood to Craponne | 4,025.97 mi (6,479.18 km) |
| Idylwood to Creil | 3,833.74 mi (6,169.80 km) |
| Idylwood to Crepy-en-Valois | 3,851.28 mi (6,198.03 km) |
| Idylwood to Crest | 4,069.24 mi (6,548.81 km) |
| Idylwood to Creteil | 3,844.86 mi (6,187.71 km) |
