| Downers Grove to Cognac | 4,154.93 mi (6,686.71 km) |
| Downers Grove to Cogolin | 4,530.27 mi (7,290.76 km) |
| Downers Grove to Colmar | 4,373.78 mi (7,038.92 km) |
| Downers Grove to Colombes | 4,145.13 mi (6,670.95 km) |
| Downers Grove to Colomiers | 4,300.18 mi (6,920.46 km) |
| Downers Grove to Combs-la-Ville | 4,166.13 mi (6,704.74 km) |
| Downers Grove to Comines | 4,110.07 mi (6,614.52 km) |
| Downers Grove to Compiegne | 4,150.04 mi (6,678.84 km) |
| Downers Grove to Concarneau | 3,933.18 mi (6,329.84 km) |
| Downers Grove to Conde-sur-l'Escaut | 4,143.01 mi (6,667.53 km) |
| Downers Grove to Conflans-Sainte-Honorine | 4,136.47 mi (6,657.00 km) |
| Downers Grove to Corbas | 4,369.73 mi (7,032.40 km) |
| Downers Grove to Corbeil-Essonnes | 4,165.06 mi (6,703.02 km) |
| Downers Grove to Cormeilles-en-Parisis | 4,141.38 mi (6,664.91 km) |
| Downers Grove to Cosne sur Loire | 4,225.73 mi (6,800.66 km) |
