| Clarkston to Castelfidardo | 5,007.66 mi (8,059.05 km) |
| Clarkston to Castelfiorentino | 4,890.65 mi (7,870.74 km) |
| Clarkston to Castelfranco di Sopra | 4,915.75 mi (7,911.13 km) |
| Clarkston to Castelfranco di Sotto | 4,877.83 mi (7,850.10 km) |
| Clarkston to Castelfranco Emilia | 4,861.35 mi (7,823.59 km) |
| Clarkston to Castelfranco Veneto | 4,863.59 mi (7,827.19 km) |
| Clarkston to Castellabate | 5,183.35 mi (8,341.79 km) |
| Clarkston to Castellammare del Golfo | 5,170.34 mi (8,320.86 km) |
| Clarkston to Castellammare di Stabia | 5,147.12 mi (8,283.49 km) |
| Clarkston to Castellamonte | 4,691.48 mi (7,550.21 km) |
| Clarkston to Castellana Grotte | 5,259.01 mi (8,463.57 km) |
| Clarkston to Castellaneta | 5,258.15 mi (8,462.18 km) |
| Clarkston to Castellanza | 4,735.63 mi (7,621.27 km) |
| Clarkston to Castellarano | 4,850.68 mi (7,806.41 km) |
| Clarkston to Castelleone | 4,782.88 mi (7,697.30 km) |
