| Humlebaek to Ciampino | 978.44 mi (1,574.65 km) |
| Humlebaek to Cicciano | 1,039.98 mi (1,673.68 km) |
| Humlebaek to Cingoli | 870.73 mi (1,401.30 km) |
| Humlebaek to Cinisello Balsamo | 733.51 mi (1,180.47 km) |
| Humlebaek to Cinisi | 1,229.76 mi (1,979.11 km) |
| Humlebaek to Cirie | 771.42 mi (1,241.48 km) |
| Humlebaek to Ciro Marina | 1,165.57 mi (1,875.80 km) |
| Humlebaek to Cislago | 728.92 mi (1,173.09 km) |
| Humlebaek to Cisterna di Latina | 992.99 mi (1,598.06 km) |
| Humlebaek to Cisternino | 1,075.33 mi (1,730.58 km) |
| Humlebaek to Citta di Castello | 863.78 mi (1,390.11 km) |
| Humlebaek to Citta Sant'Angelo | 931.40 mi (1,498.95 km) |
| Humlebaek to Cittadella | 713.15 mi (1,147.71 km) |
| Humlebaek to Cittanova | 1,227.83 mi (1,976.01 km) |
| Humlebaek to Cividale del Friuli | 682.46 mi (1,098.32 km) |
