| Madison to Cividale del Friuli | 4,676.39 mi (7,525.93 km) |
| Madison to Civita Castellana | 4,806.41 mi (7,735.17 km) |
| Madison to Civitanova Marche | 4,812.44 mi (7,744.87 km) |
| Madison to Civitavecchia | 4,791.28 mi (7,710.82 km) |
| Madison to Civitella in Val di Chiana | 4,729.78 mi (7,611.85 km) |
| Madison to Clusone | 4,555.40 mi (7,331.21 km) |
| Madison to Coccaglio | 4,570.07 mi (7,354.82 km) |
| Madison to Codigoro | 4,682.86 mi (7,536.33 km) |
| Madison to Codogno | 4,576.77 mi (7,365.60 km) |
| Madison to Codroipo | 4,665.65 mi (7,508.64 km) |
| Madison to Cogoleto | 4,568.45 mi (7,352.21 km) |
| Madison to Colle di Val d'Elsa | 4,707.91 mi (7,576.64 km) |
| Madison to Colle Salvetti | 4,673.91 mi (7,521.93 km) |
| Madison to Collecchio | 4,613.95 mi (7,425.44 km) |
| Madison to Colleferro | 4,855.35 mi (7,813.93 km) |
