| Amarillo to Castelfidardo | 5,653.07 mi (9,097.73 km) |
| Amarillo to Castelfiorentino | 5,549.35 mi (8,930.81 km) |
| Amarillo to Castelfranco di Sopra | 5,570.85 mi (8,965.42 km) |
| Amarillo to Castelfranco di Sotto | 5,536.61 mi (8,910.32 km) |
| Amarillo to Castelfranco Emilia | 5,508.24 mi (8,864.65 km) |
| Amarillo to Castelfranco Veneto | 5,493.18 mi (8,840.42 km) |
| Amarillo to Castellabate | 5,854.79 mi (9,422.37 km) |
| Amarillo to Castellammare del Golfo | 5,877.62 mi (9,459.11 km) |
| Amarillo to Castellammare di Stabia | 5,817.05 mi (9,361.64 km) |
| Amarillo to Castellamonte | 5,347.23 mi (8,605.54 km) |
| Amarillo to Castellana Grotte | 5,910.22 mi (9,511.58 km) |
| Amarillo to Castellaneta | 5,913.49 mi (9,516.83 km) |
| Amarillo to Castellanza | 5,382.38 mi (8,662.10 km) |
| Amarillo to Castellarano | 5,499.41 mi (8,850.44 km) |
| Amarillo to Castelleone | 5,428.77 mi (8,736.76 km) |
