| Frederick to Castelfidardo | 4,469.49 mi (7,192.96 km) |
| Frederick to Castelfiorentino | 4,353.54 mi (7,006.35 km) |
| Frederick to Castelfranco di Sopra | 4,378.33 mi (7,046.24 km) |
| Frederick to Castelfranco di Sotto | 4,340.71 mi (6,985.70 km) |
| Frederick to Castelfranco Emilia | 4,323.08 mi (6,957.32 km) |
| Frederick to Castelfranco Veneto | 4,323.96 mi (6,958.74 km) |
| Frederick to Castellabate | 4,648.21 mi (7,480.57 km) |
| Frederick to Castellammare del Golfo | 4,640.30 mi (7,467.84 km) |
| Frederick to Castellammare di Stabia | 4,611.74 mi (7,421.87 km) |
| Frederick to Castellamonte | 4,153.74 mi (6,684.79 km) |
| Frederick to Castellana Grotte | 4,721.81 mi (7,599.01 km) |
| Frederick to Castellaneta | 4,721.36 mi (7,598.29 km) |
| Frederick to Castellanza | 4,197.14 mi (6,754.65 km) |
| Frederick to Castellarano | 4,312.55 mi (6,940.38 km) |
| Frederick to Castelleone | 4,244.39 mi (6,830.69 km) |
