| Storm Lake to Cividale del Friuli | 4,907.22 mi (7,897.40 km) |
| Storm Lake to Civita Castellana | 5,048.20 mi (8,124.29 km) |
| Storm Lake to Civitanova Marche | 5,049.78 mi (8,126.84 km) |
| Storm Lake to Civitavecchia | 5,034.46 mi (8,102.18 km) |
| Storm Lake to Civitella in Val di Chiana | 4,969.97 mi (7,998.39 km) |
| Storm Lake to Clusone | 4,792.07 mi (7,712.09 km) |
| Storm Lake to Coccaglio | 4,807.52 mi (7,736.96 km) |
| Storm Lake to Codigoro | 4,918.95 mi (7,916.29 km) |
| Storm Lake to Codogno | 4,815.65 mi (7,750.04 km) |
| Storm Lake to Codroipo | 4,897.54 mi (7,881.83 km) |
| Storm Lake to Cogoleto | 4,810.79 mi (7,742.22 km) |
| Storm Lake to Colle di Val d'Elsa | 4,949.01 mi (7,964.66 km) |
| Storm Lake to Colle Salvetti | 4,915.51 mi (7,910.74 km) |
| Storm Lake to Collecchio | 4,853.11 mi (7,810.33 km) |
| Storm Lake to Colleferro | 5,097.51 mi (8,203.65 km) |
