| Austin to Castelfidardo | 5,744.37 mi (9,244.67 km) |
| Austin to Castelfiorentino | 5,633.22 mi (9,065.79 km) |
| Austin to Castelfranco di Sopra | 5,656.71 mi (9,103.60 km) |
| Austin to Castelfranco di Sotto | 5,620.38 mi (9,045.12 km) |
| Austin to Castelfranco Emilia | 5,598.05 mi (9,009.18 km) |
| Austin to Castelfranco Veneto | 5,591.73 mi (8,999.01 km) |
| Austin to Castellabate | 5,933.35 mi (9,548.80 km) |
| Austin to Castellammare del Golfo | 5,936.50 mi (9,553.87 km) |
| Austin to Castellammare di Stabia | 5,896.25 mi (9,489.10 km) |
| Austin to Castellamonte | 5,431.63 mi (8,741.37 km) |
| Austin to Castellana Grotte | 5,999.77 mi (9,655.70 km) |
| Austin to Castellaneta | 6,000.89 mi (9,657.50 km) |
| Austin to Castellanza | 5,471.61 mi (8,805.71 km) |
| Austin to Castellarano | 5,588.22 mi (8,993.38 km) |
| Austin to Castelleone | 5,518.69 mi (8,881.47 km) |
