| Americus to Castelfidardo | 5,086.17 mi (8,185.40 km) |
| Americus to Castelfiorentino | 4,967.84 mi (7,994.97 km) |
| Americus to Castelfranco di Sopra | 4,993.32 mi (8,035.97 km) |
| Americus to Castelfranco di Sotto | 4,955.04 mi (7,974.37 km) |
| Americus to Castelfranco Emilia | 4,940.08 mi (7,950.28 km) |
| Americus to Castelfranco Veneto | 4,944.36 mi (7,957.19 km) |
| Americus to Castellabate | 5,258.14 mi (8,462.16 km) |
| Americus to Castellammare del Golfo | 5,240.37 mi (8,433.56 km) |
| Americus to Castellammare di Stabia | 5,222.20 mi (8,404.33 km) |
| Americus to Castellamonte | 4,769.60 mi (7,675.93 km) |
| Americus to Castellana Grotte | 5,336.15 mi (8,587.70 km) |
| Americus to Castellaneta | 5,334.78 mi (8,585.50 km) |
| Americus to Castellanza | 4,814.73 mi (7,748.55 km) |
| Americus to Castellarano | 4,929.21 mi (7,932.80 km) |
| Americus to Castelleone | 4,861.94 mi (7,824.54 km) |
