| Quincy to Castelletto sopra Ticino | 3,797.19 mi (6,110.99 km) |
| Quincy to Castelli Calepio | 3,854.08 mi (6,202.54 km) |
| Quincy to Castelnovo ne' Monti | 3,914.94 mi (6,300.48 km) |
| Quincy to Castelnuovo Berardenga | 3,999.67 mi (6,436.85 km) |
| Quincy to Castelnuovo di Porto | 4,085.77 mi (6,575.41 km) |
| Quincy to Castelnuovo di Verona | 3,897.58 mi (6,272.55 km) |
| Quincy to Castelnuovo Rangone | 3,934.05 mi (6,331.24 km) |
| Quincy to Castelvetrano | 4,262.70 mi (6,860.16 km) |
| Quincy to Castelvetro di Modena | 3,936.44 mi (6,335.09 km) |
| Quincy to Castenaso | 3,958.52 mi (6,370.62 km) |
| Quincy to Castenedolo | 3,876.31 mi (6,238.32 km) |
| Quincy to Castiglion Fiorentino | 4,017.82 mi (6,466.06 km) |
| Quincy to Castiglione del Lago | 4,030.57 mi (6,486.57 km) |
| Quincy to Castiglione delle Stiviere | 3,887.29 mi (6,256.00 km) |
| Quincy to Castrolibero | 4,353.69 mi (7,006.58 km) |
