| Calhoun to Cividale del Friuli | 4,908.75 mi (7,899.88 km) |
| Calhoun to Civita Castellana | 4,999.30 mi (8,045.60 km) |
| Calhoun to Civitanova Marche | 5,020.82 mi (8,080.22 km) |
| Calhoun to Civitavecchia | 4,979.42 mi (8,013.60 km) |
| Calhoun to Civitella in Val di Chiana | 4,929.68 mi (7,933.56 km) |
| Calhoun to Clusone | 4,770.49 mi (7,677.36 km) |
| Calhoun to Coccaglio | 4,782.23 mi (7,696.26 km) |
| Calhoun to Codigoro | 4,897.71 mi (7,882.10 km) |
| Calhoun to Codogno | 4,783.89 mi (7,698.93 km) |
| Calhoun to Codroipo | 4,894.75 mi (7,877.34 km) |
| Calhoun to Cogoleto | 4,763.47 mi (7,666.07 km) |
| Calhoun to Colle di Val d'Elsa | 4,904.92 mi (7,893.70 km) |
| Calhoun to Colle Salvetti | 4,869.77 mi (7,837.14 km) |
| Calhoun to Collecchio | 4,819.45 mi (7,756.16 km) |
| Calhoun to Colleferro | 5,046.08 mi (8,120.88 km) |
