| Grinon to Castelfidardo | 921.26 mi (1,482.62 km) |
| Grinon to Castelfiorentino | 795.66 mi (1,280.50 km) |
| Grinon to Castelfranco di Sopra | 824.98 mi (1,327.67 km) |
| Grinon to Castelfranco di Sotto | 786.57 mi (1,265.85 km) |
| Grinon to Castelfranco Emilia | 816.80 mi (1,314.51 km) |
| Grinon to Castelfranco Veneto | 880.62 mi (1,417.22 km) |
| Grinon to Castellabate | 989.72 mi (1,592.81 km) |
| Grinon to Castellammare del Golfo | 908.08 mi (1,461.41 km) |
| Grinon to Castellammare di Stabia | 962.51 mi (1,549.01 km) |
| Grinon to Castellamonte | 685.26 mi (1,102.81 km) |
| Grinon to Castellana Grotte | 1,101.68 mi (1,772.99 km) |
| Grinon to Castellaneta | 1,090.99 mi (1,755.77 km) |
| Grinon to Castellanza | 743.99 mi (1,197.34 km) |
| Grinon to Castellarano | 803.50 mi (1,293.11 km) |
| Grinon to Castelleone | 773.17 mi (1,244.30 km) |
