| Harstad to Castelletto sopra Ticino | 1,619.06 mi (2,605.63 km) |
| Harstad to Castelli Calepio | 1,617.74 mi (2,603.50 km) |
| Harstad to Castelnovo ne' Monti | 1,697.83 mi (2,732.39 km) |
| Harstad to Castelnuovo Berardenga | 1,768.02 mi (2,845.35 km) |
| Harstad to Castelnuovo di Porto | 1,848.45 mi (2,974.79 km) |
| Harstad to Castelnuovo di Verona | 1,627.38 mi (2,619.01 km) |
| Harstad to Castelnuovo Rangone | 1,687.45 mi (2,715.69 km) |
| Harstad to Castelvetrano | 2,154.72 mi (3,467.69 km) |
| Harstad to Castelvetro di Modena | 1,690.82 mi (2,721.11 km) |
| Harstad to Castenaso | 1,688.07 mi (2,716.69 km) |
| Harstad to Castenedolo | 1,626.98 mi (2,618.38 km) |
| Harstad to Castiglion Fiorentino | 1,766.79 mi (2,843.38 km) |
| Harstad to Castiglione del Lago | 1,780.52 mi (2,865.46 km) |
| Harstad to Castiglione delle Stiviere | 1,630.87 mi (2,624.63 km) |
| Harstad to Castrolibero | 2,037.22 mi (3,278.58 km) |
