| Ashburn to Castelfidardo | 4,488.71 mi (7,223.89 km) |
| Ashburn to Castelfiorentino | 4,372.43 mi (7,036.75 km) |
| Ashburn to Castelfranco di Sopra | 4,397.31 mi (7,076.79 km) |
| Ashburn to Castelfranco di Sotto | 4,359.60 mi (7,016.09 km) |
| Ashburn to Castelfranco Emilia | 4,342.33 mi (6,988.30 km) |
| Ashburn to Castelfranco Veneto | 4,343.71 mi (6,990.52 km) |
| Ashburn to Castellabate | 4,666.57 mi (7,510.12 km) |
| Ashburn to Castellammare del Golfo | 4,657.52 mi (7,495.55 km) |
| Ashburn to Castellammare di Stabia | 4,630.16 mi (7,451.52 km) |
| Ashburn to Castellamonte | 4,172.81 mi (6,715.49 km) |
| Ashburn to Castellana Grotte | 4,740.74 mi (7,629.48 km) |
| Ashburn to Castellaneta | 4,740.17 mi (7,628.56 km) |
| Ashburn to Castellanza | 4,216.46 mi (6,785.74 km) |
| Ashburn to Castellarano | 4,331.75 mi (6,971.28 km) |
| Ashburn to Castelleone | 4,263.71 mi (6,861.78 km) |
