| Northampton to Castelfidardo | 899.88 mi (1,448.22 km) |
| Northampton to Castelfiorentino | 808.69 mi (1,301.46 km) |
| Northampton to Castelfranco di Sopra | 826.04 mi (1,329.38 km) |
| Northampton to Castelfranco di Sotto | 796.55 mi (1,281.93 km) |
| Northampton to Castelfranco Emilia | 758.69 mi (1,221.00 km) |
| Northampton to Castelfranco Veneto | 736.07 mi (1,184.59 km) |
| Northampton to Castellabate | 1,115.45 mi (1,795.15 km) |
| Northampton to Castellammare del Golfo | 1,184.73 mi (1,906.63 km) |
| Northampton to Castellammare di Stabia | 1,077.56 mi (1,734.17 km) |
| Northampton to Castellamonte | 613.35 mi (987.09 km) |
| Northampton to Castellana Grotte | 1,156.40 mi (1,861.05 km) |
| Northampton to Castellaneta | 1,161.48 mi (1,869.22 km) |
| Northampton to Castellanza | 636.51 mi (1,024.37 km) |
| Northampton to Castellarano | 751.48 mi (1,209.39 km) |
| Northampton to Castelleone | 680.63 mi (1,095.37 km) |
