| Big Spring to Castelfidardo | 5,792.96 mi (9,322.87 km) |
| Big Spring to Castelfiorentino | 5,686.32 mi (9,151.24 km) |
| Big Spring to Castelfranco di Sopra | 5,708.60 mi (9,187.10 km) |
| Big Spring to Castelfranco di Sotto | 5,673.52 mi (9,130.65 km) |
| Big Spring to Castelfranco Emilia | 5,647.39 mi (9,088.60 km) |
| Big Spring to Castelfranco Veneto | 5,635.57 mi (9,069.57 km) |
| Big Spring to Castellabate | 5,990.12 mi (9,640.17 km) |
| Big Spring to Castellammare del Golfo | 6,005.34 mi (9,664.67 km) |
| Big Spring to Castellammare di Stabia | 5,952.58 mi (9,579.75 km) |
| Big Spring to Castellamonte | 5,484.14 mi (8,825.88 km) |
| Big Spring to Castellana Grotte | 6,049.78 mi (9,736.18 km) |
| Big Spring to Castellaneta | 6,052.24 mi (9,740.14 km) |
| Big Spring to Castellanza | 5,521.16 mi (8,885.45 km) |
| Big Spring to Castellarano | 5,638.18 mi (9,073.77 km) |
| Big Spring to Castelleone | 5,567.87 mi (8,960.62 km) |
