| Union to Castelfidardo | 5,074.49 mi (8,166.61 km) |
| Union to Castelfiorentino | 4,965.65 mi (7,991.44 km) |
| Union to Castelfranco di Sopra | 4,988.50 mi (8,028.21 km) |
| Union to Castelfranco di Sotto | 4,952.83 mi (7,970.81 km) |
| Union to Castelfranco Emilia | 4,928.47 mi (7,931.61 km) |
| Union to Castelfranco Veneto | 4,919.52 mi (7,917.20 km) |
| Union to Castellabate | 5,268.03 mi (8,478.07 km) |
| Union to Castellammare del Golfo | 5,279.15 mi (8,495.98 km) |
| Union to Castellammare di Stabia | 5,230.65 mi (8,417.92 km) |
| Union to Castellamonte | 4,763.64 mi (7,666.33 km) |
| Union to Castellana Grotte | 5,330.74 mi (8,579.00 km) |
| Union to Castellaneta | 5,332.56 mi (8,581.93 km) |
| Union to Castellanza | 4,802.07 mi (7,728.19 km) |
| Union to Castellarano | 4,918.96 mi (7,916.29 km) |
| Union to Castelleone | 4,848.99 mi (7,803.69 km) |
