| Round Lake Beach to Castelletto sopra Ticino | 4,492.74 mi (7,230.37 km) |
| Round Lake Beach to Castelli Calepio | 4,545.43 mi (7,315.16 km) |
| Round Lake Beach to Castelnovo ne' Monti | 4,614.83 mi (7,426.85 km) |
| Round Lake Beach to Castelnuovo Berardenga | 4,704.27 mi (7,570.79 km) |
| Round Lake Beach to Castelnuovo di Porto | 4,796.15 mi (7,718.66 km) |
| Round Lake Beach to Castelnuovo di Verona | 4,587.26 mi (7,382.48 km) |
| Round Lake Beach to Castelnuovo Rangone | 4,630.79 mi (7,452.54 km) |
| Round Lake Beach to Castelvetrano | 5,004.95 mi (8,054.69 km) |
| Round Lake Beach to Castelvetro di Modena | 4,633.55 mi (7,456.98 km) |
| Round Lake Beach to Castenaso | 4,653.43 mi (7,488.96 km) |
| Round Lake Beach to Castenedolo | 4,567.54 mi (7,350.74 km) |
| Round Lake Beach to Castiglion Fiorentino | 4,720.75 mi (7,597.31 km) |
| Round Lake Beach to Castiglione del Lago | 4,734.66 mi (7,619.70 km) |
| Round Lake Beach to Castiglione delle Stiviere | 4,578.34 mi (7,368.12 km) |
| Round Lake Beach to Castrolibero | 5,069.77 mi (8,159.01 km) |
