| Iona to Cividale del Friuli | 5,163.34 mi (8,309.59 km) |
| Iona to Civita Castellana | 5,218.06 mi (8,397.66 km) |
| Iona to Civitanova Marche | 5,252.49 mi (8,453.07 km) |
| Iona to Civitavecchia | 5,194.49 mi (8,359.72 km) |
| Iona to Civitella in Val di Chiana | 5,155.98 mi (8,297.75 km) |
| Iona to Clusone | 5,013.22 mi (8,067.99 km) |
| Iona to Coccaglio | 5,022.22 mi (8,082.48 km) |
| Iona to Codigoro | 5,137.53 mi (8,268.05 km) |
| Iona to Codogno | 5,019.53 mi (8,078.15 km) |
| Iona to Codroipo | 5,146.83 mi (8,283.02 km) |
| Iona to Cogoleto | 4,989.19 mi (8,029.32 km) |
| Iona to Colle di Val d'Elsa | 5,129.26 mi (8,254.74 km) |
| Iona to Colle Salvetti | 5,093.88 mi (8,197.81 km) |
| Iona to Collecchio | 5,052.93 mi (8,131.90 km) |
| Iona to Colleferro | 5,261.97 mi (8,468.32 km) |
