| Heiloo to Cividale del Friuli | 595.49 mi (958.36 km) |
| Heiloo to Civita Castellana | 796.47 mi (1,281.80 km) |
| Heiloo to Civitanova Marche | 764.86 mi (1,230.92 km) |
| Heiloo to Civitavecchia | 796.74 mi (1,282.23 km) |
| Heiloo to Civitella in Val di Chiana | 711.46 mi (1,144.98 km) |
| Heiloo to Clusone | 520.34 mi (837.41 km) |
| Heiloo to Coccaglio | 541.02 mi (870.68 km) |
| Heiloo to Codigoro | 633.11 mi (1,018.89 km) |
| Heiloo to Codogno | 561.47 mi (903.60 km) |
| Heiloo to Codroipo | 589.99 mi (949.50 km) |
| Heiloo to Cogoleto | 594.91 mi (957.42 km) |
| Heiloo to Colle di Val d'Elsa | 700.80 mi (1,127.83 km) |
| Heiloo to Colle Salvetti | 675.84 mi (1,087.67 km) |
| Heiloo to Collecchio | 597.19 mi (961.09 km) |
| Heiloo to Colleferro | 844.71 mi (1,359.44 km) |
