| Biga to Castelfidardo | 738.53 mi (1,188.55 km) |
| Biga to Castelfiorentino | 867.03 mi (1,395.35 km) |
| Biga to Castelfranco di Sopra | 838.22 mi (1,348.98 km) |
| Biga to Castelfranco di Sotto | 878.90 mi (1,414.46 km) |
| Biga to Castelfranco Emilia | 877.45 mi (1,412.12 km) |
| Biga to Castelfranco Veneto | 858.71 mi (1,381.96 km) |
| Biga to Castellabate | 647.53 mi (1,042.10 km) |
| Biga to Castellammare del Golfo | 783.72 mi (1,261.28 km) |
| Biga to Castellammare di Stabia | 671.07 mi (1,079.98 km) |
| Biga to Castellamonte | 1,048.89 mi (1,688.03 km) |
| Biga to Castellana Grotte | 530.55 mi (853.84 km) |
| Biga to Castellaneta | 542.59 mi (873.21 km) |
| Biga to Castellanza | 997.07 mi (1,604.63 km) |
| Biga to Castellarano | 889.80 mi (1,431.99 km) |
| Biga to Castelleone | 950.96 mi (1,530.42 km) |
