| Trentham to Cividale del Friuli | 843.27 mi (1,357.12 km) |
| Trentham to Civita Castellana | 999.06 mi (1,607.83 km) |
| Trentham to Civitanova Marche | 988.54 mi (1,590.91 km) |
| Trentham to Civitavecchia | 991.25 mi (1,595.27 km) |
| Trentham to Civitella in Val di Chiana | 916.52 mi (1,475.00 km) |
| Trentham to Clusone | 731.16 mi (1,176.68 km) |
| Trentham to Coccaglio | 748.24 mi (1,204.18 km) |
| Trentham to Codigoro | 856.31 mi (1,378.10 km) |
| Trentham to Codogno | 760.31 mi (1,223.59 km) |
| Trentham to Codroipo | 832.86 mi (1,340.36 km) |
| Trentham to Cogoleto | 770.02 mi (1,239.23 km) |
| Trentham to Colle di Val d'Elsa | 899.16 mi (1,447.06 km) |
| Trentham to Colle Salvetti | 868.30 mi (1,397.39 km) |
| Trentham to Collecchio | 798.09 mi (1,284.41 km) |
| Trentham to Colleferro | 1,048.87 mi (1,687.99 km) |
