| Trecastagni to Coin | 1,092.30 mi (1,757.89 km) |
| Trecastagni to Colindres | 1,049.38 mi (1,688.81 km) |
| Trecastagni to Collado-Villalba | 1,042.13 mi (1,677.14 km) |
| Trecastagni to Colmenar Viejo | 1,029.64 mi (1,657.05 km) |
| Trecastagni to Colmenarejo | 1,042.12 mi (1,677.13 km) |
| Trecastagni to Conil de la Frontera | 1,170.11 mi (1,883.10 km) |
| Trecastagni to Consuegra | 1,016.21 mi (1,635.43 km) |
| Trecastagni to Corbera de Llobregat | 747.62 mi (1,203.18 km) |
| Trecastagni to Cordoba | 1,083.23 mi (1,743.29 km) |
| Trecastagni to Coria del Rio | 1,156.98 mi (1,861.98 km) |
| Trecastagni to Crevillente | 866.10 mi (1,393.85 km) |
| Trecastagni to Cuarte de Huerva | 893.23 mi (1,437.52 km) |
| Trecastagni to Cubellas | 756.69 mi (1,217.77 km) |
| Trecastagni to Cuellar | 1,064.04 mi (1,712.40 km) |
| Trecastagni to Cuenca | 941.18 mi (1,514.68 km) |
