| Idylwood to Cognac | 3,804.20 mi (6,122.27 km) |
| Idylwood to Cogolin | 4,181.83 mi (6,730.01 km) |
| Idylwood to Colmar | 4,069.99 mi (6,550.02 km) |
| Idylwood to Colombes | 3,832.57 mi (6,167.93 km) |
| Idylwood to Colomiers | 3,936.56 mi (6,335.28 km) |
| Idylwood to Combs-la-Ville | 3,852.11 mi (6,199.37 km) |
| Idylwood to Comines | 3,817.64 mi (6,143.90 km) |
| Idylwood to Compiegne | 3,843.94 mi (6,186.23 km) |
| Idylwood to Concarneau | 3,592.21 mi (5,781.11 km) |
| Idylwood to Conde-sur-l'Escaut | 3,849.28 mi (6,194.82 km) |
| Idylwood to Conflans-Sainte-Honorine | 3,824.15 mi (6,154.38 km) |
| Idylwood to Corbas | 4,036.04 mi (6,495.38 km) |
| Idylwood to Corbeil-Essonnes | 3,850.26 mi (6,196.40 km) |
| Idylwood to Cormeilles-en-Parisis | 3,829.14 mi (6,162.41 km) |
| Idylwood to Cosne sur Loire | 3,901.10 mi (6,278.21 km) |
