| Acton to Castelfidardo | 849.25 mi (1,366.73 km) |
| Acton to Castelfiorentino | 755.67 mi (1,216.13 km) |
| Acton to Castelfranco di Sopra | 773.61 mi (1,245.00 km) |
| Acton to Castelfranco di Sotto | 743.43 mi (1,196.44 km) |
| Acton to Castelfranco Emilia | 706.98 mi (1,137.77 km) |
| Acton to Castelfranco Veneto | 687.24 mi (1,106.00 km) |
| Acton to Castellabate | 1,062.82 mi (1,710.44 km) |
| Acton to Castellammare del Golfo | 1,129.60 mi (1,817.92 km) |
| Acton to Castellammare di Stabia | 1,024.89 mi (1,649.40 km) |
| Acton to Castellamonte | 559.09 mi (899.77 km) |
| Acton to Castellana Grotte | 1,106.15 mi (1,780.18 km) |
| Acton to Castellaneta | 1,110.78 mi (1,787.62 km) |
| Acton to Castellanza | 583.83 mi (939.59 km) |
| Acton to Castellarano | 699.42 mi (1,125.61 km) |
| Acton to Castelleone | 628.47 mi (1,011.43 km) |
