| Holt to Cividale del Friuli | 4,513.67 mi (7,264.04 km) |
| Holt to Civita Castellana | 4,631.88 mi (7,454.30 km) |
| Holt to Civitanova Marche | 4,642.58 mi (7,471.50 km) |
| Holt to Civitavecchia | 4,615.32 mi (7,427.63 km) |
| Holt to Civitella in Val di Chiana | 4,557.12 mi (7,333.98 km) |
| Holt to Clusone | 4,386.87 mi (7,059.99 km) |
| Holt to Coccaglio | 4,400.68 mi (7,082.21 km) |
| Holt to Codigoro | 4,514.62 mi (7,265.58 km) |
| Holt to Codogno | 4,405.86 mi (7,090.55 km) |
| Holt to Codroipo | 4,501.85 mi (7,245.02 km) |
| Holt to Cogoleto | 4,393.88 mi (7,071.27 km) |
| Holt to Colle di Val d'Elsa | 4,534.32 mi (7,297.29 km) |
| Holt to Colle Salvetti | 4,499.89 mi (7,241.88 km) |
| Holt to Collecchio | 4,442.66 mi (7,149.76 km) |
| Holt to Colleferro | 4,680.32 mi (7,532.24 km) |
