| Clarksburg to Castelfidardo | 4,471.75 mi (7,196.59 km) |
| Clarksburg to Castelfiorentino | 4,355.54 mi (7,009.56 km) |
| Clarksburg to Castelfranco di Sopra | 4,380.40 mi (7,049.57 km) |
| Clarksburg to Castelfranco di Sotto | 4,342.71 mi (6,988.91 km) |
| Clarksburg to Castelfranco Emilia | 4,325.36 mi (6,960.99 km) |
| Clarksburg to Castelfranco Veneto | 4,326.64 mi (6,963.05 km) |
| Clarksburg to Castellabate | 4,649.80 mi (7,483.13 km) |
| Clarksburg to Castellammare del Golfo | 4,641.03 mi (7,469.02 km) |
| Clarksburg to Castellammare di Stabia | 4,613.37 mi (7,424.51 km) |
| Clarksburg to Castellamonte | 4,155.88 mi (6,688.24 km) |
| Clarksburg to Castellana Grotte | 4,723.84 mi (7,602.28 km) |
| Clarksburg to Castellaneta | 4,723.29 mi (7,601.41 km) |
| Clarksburg to Castellanza | 4,199.48 mi (6,758.41 km) |
| Clarksburg to Castellarano | 4,314.80 mi (6,943.99 km) |
| Clarksburg to Castelleone | 4,246.73 mi (6,834.45 km) |
