| Downers Grove to Cividale del Friuli | 4,685.57 mi (7,540.70 km) |
| Downers Grove to Civita Castellana | 4,808.35 mi (7,738.29 km) |
| Downers Grove to Civitanova Marche | 4,817.31 mi (7,752.72 km) |
| Downers Grove to Civitavecchia | 4,792.30 mi (7,712.46 km) |
| Downers Grove to Civitella in Val di Chiana | 4,732.89 mi (7,616.84 km) |
| Downers Grove to Clusone | 4,561.02 mi (7,340.26 km) |
| Downers Grove to Coccaglio | 4,575.17 mi (7,363.02 km) |
| Downers Grove to Codigoro | 4,688.70 mi (7,545.73 km) |
| Downers Grove to Codogno | 4,580.93 mi (7,372.29 km) |
| Downers Grove to Codroipo | 4,674.18 mi (7,522.37 km) |
| Downers Grove to Cogoleto | 4,570.30 mi (7,355.19 km) |
| Downers Grove to Colle di Val d'Elsa | 4,710.42 mi (7,580.69 km) |
| Downers Grove to Colle Salvetti | 4,676.14 mi (7,525.52 km) |
| Downers Grove to Collecchio | 4,617.88 mi (7,431.75 km) |
| Downers Grove to Colleferro | 4,856.98 mi (7,816.55 km) |
