| Boussu to Castelfiorentino | 579.93 mi (933.30 km) |
| Boussu to Castelfranco di Sopra | 595.14 mi (957.79 km) |
| Boussu to Castelfranco di Sotto | 568.25 mi (914.51 km) |
| Boussu to Castelfranco Emilia | 526.07 mi (846.63 km) |
| Boussu to Castelfranco Veneto | 499.19 mi (803.38 km) |
| Boussu to Castellabate | 884.33 mi (1,423.19 km) |
| Boussu to Castellammare del Golfo | 966.36 mi (1,555.21 km) |
| Boussu to Castellammare di Stabia | 846.64 mi (1,362.54 km) |
| Boussu to Castellamonte | 393.18 mi (632.76 km) |
| Boussu to Castellana Grotte | 920.50 mi (1,481.40 km) |
| Boussu to Castellaneta | 926.17 mi (1,490.52 km) |
| Boussu to Castellanza | 407.67 mi (656.08 km) |
| Boussu to Castellarano | 519.78 mi (836.51 km) |
| Boussu to Castelleone | 449.62 mi (723.60 km) |
| Boussu to Castelletto sopra Ticino | 394.86 mi (635.46 km) |
