| Harstad to Castelfidardo | 1,753.93 mi (2,822.68 km) |
| Harstad to Castelfiorentino | 1,752.72 mi (2,820.73 km) |
| Harstad to Castelfranco di Sopra | 1,748.79 mi (2,814.41 km) |
| Harstad to Castelfranco di Sotto | 1,746.74 mi (2,811.11 km) |
| Harstad to Castelfranco Emilia | 1,683.74 mi (2,709.71 km) |
| Harstad to Castelfranco Veneto | 1,606.65 mi (2,585.66 km) |
| Harstad to Castellabate | 1,971.57 mi (3,172.94 km) |
| Harstad to Castellammare del Golfo | 2,130.82 mi (3,429.23 km) |
| Harstad to Castellammare di Stabia | 1,943.46 mi (3,127.69 km) |
| Harstad to Castellamonte | 1,647.84 mi (2,651.94 km) |
| Harstad to Castellana Grotte | 1,929.07 mi (3,104.54 km) |
| Harstad to Castellaneta | 1,946.26 mi (3,132.20 km) |
| Harstad to Castellanza | 1,624.34 mi (2,614.12 km) |
| Harstad to Castellarano | 1,686.94 mi (2,714.87 km) |
| Harstad to Castelleone | 1,641.64 mi (2,641.97 km) |
