| Clarksburg to Castelletto sopra Ticino | 4,184.87 mi (6,734.89 km) |
| Clarksburg to Castelli Calepio | 4,241.63 mi (6,826.25 km) |
| Clarksburg to Castelnovo ne' Monti | 4,302.77 mi (6,924.64 km) |
| Clarksburg to Castelnuovo Berardenga | 4,387.61 mi (7,061.18 km) |
| Clarksburg to Castelnuovo di Porto | 4,473.78 mi (7,199.85 km) |
| Clarksburg to Castelnuovo di Verona | 4,285.10 mi (6,896.20 km) |
| Clarksburg to Castelnuovo Rangone | 4,321.80 mi (6,955.27 km) |
| Clarksburg to Castelvetrano | 4,649.88 mi (7,483.26 km) |
| Clarksburg to Castelvetro di Modena | 4,324.21 mi (6,959.15 km) |
| Clarksburg to Castenaso | 4,346.23 mi (6,994.58 km) |
| Clarksburg to Castenedolo | 4,263.87 mi (6,862.04 km) |
| Clarksburg to Castiglion Fiorentino | 4,405.74 mi (7,090.35 km) |
| Clarksburg to Castiglione del Lago | 4,418.50 mi (7,110.90 km) |
| Clarksburg to Castiglione delle Stiviere | 4,274.85 mi (6,879.71 km) |
| Clarksburg to Castrolibero | 4,741.67 mi (7,630.99 km) |
