| Harrison to Castelletto sopra Ticino | 3,960.22 mi (6,373.35 km) |
| Harrison to Castelli Calepio | 4,017.05 mi (6,464.82 km) |
| Harrison to Castelnovo ne' Monti | 4,078.04 mi (6,562.97 km) |
| Harrison to Castelnuovo Berardenga | 4,162.82 mi (6,699.41 km) |
| Harrison to Castelnuovo di Porto | 4,248.95 mi (6,838.03 km) |
| Harrison to Castelnuovo di Verona | 4,060.54 mi (6,534.80 km) |
| Harrison to Castelnuovo Rangone | 4,097.11 mi (6,593.66 km) |
| Harrison to Castelvetrano | 4,425.55 mi (7,122.24 km) |
| Harrison to Castelvetro di Modena | 4,099.51 mi (6,597.53 km) |
| Harrison to Castenaso | 4,121.56 mi (6,633.01 km) |
| Harrison to Castenedolo | 4,039.28 mi (6,500.60 km) |
| Harrison to Castiglion Fiorentino | 4,180.96 mi (6,728.60 km) |
| Harrison to Castiglione del Lago | 4,193.72 mi (6,749.13 km) |
| Harrison to Castiglione delle Stiviere | 4,050.27 mi (6,518.28 km) |
| Harrison to Castrolibero | 4,516.87 mi (7,269.19 km) |
