| Harstad to Collegno | 1,669.62 mi (2,686.99 km) |
| Harstad to Cologno al Serio | 1,622.21 mi (2,610.69 km) |
| Harstad to Cologno Monzese | 1,628.23 mi (2,620.39 km) |
| Harstad to Colorno | 1,663.51 mi (2,677.16 km) |
| Harstad to Comacchio | 1,672.42 mi (2,691.51 km) |
| Harstad to Comiso | 2,201.95 mi (3,543.69 km) |
| Harstad to Como | 1,609.99 mi (2,591.02 km) |
| Harstad to Concordia Sagittaria | 1,596.82 mi (2,569.83 km) |
| Harstad to Concorezzo | 1,623.72 mi (2,613.13 km) |
| Harstad to Conegliano | 1,590.24 mi (2,559.24 km) |
| Harstad to Conselice | 1,686.25 mi (2,713.76 km) |
| Harstad to Conselve | 1,636.75 mi (2,634.10 km) |
| Harstad to Conversano | 1,923.29 mi (3,095.23 km) |
| Harstad to Copertino | 1,972.33 mi (3,174.15 km) |
| Harstad to Copparo | 1,659.84 mi (2,671.25 km) |
