| Idil to Castelfidardo | 1,541.96 mi (2,481.55 km) |
| Idil to Castelfiorentino | 1,671.48 mi (2,689.99 km) |
| Idil to Castelfranco di Sopra | 1,642.11 mi (2,642.73 km) |
| Idil to Castelfranco di Sotto | 1,682.81 mi (2,708.22 km) |
| Idil to Castelfranco Emilia | 1,673.82 mi (2,693.75 km) |
| Idil to Castelfranco Veneto | 1,641.91 mi (2,642.40 km) |
| Idil to Castellabate | 1,458.91 mi (2,347.89 km) |
| Idil to Castellammare del Golfo | 1,580.71 mi (2,543.91 km) |
| Idil to Castellammare di Stabia | 1,483.57 mi (2,387.57 km) |
| Idil to Castellamonte | 1,841.84 mi (2,964.15 km) |
| Idil to Castellana Grotte | 1,343.35 mi (2,161.92 km) |
| Idil to Castellaneta | 1,354.96 mi (2,180.60 km) |
| Idil to Castellanza | 1,786.37 mi (2,874.89 km) |
| Idil to Castellarano | 1,686.76 mi (2,714.58 km) |
| Idil to Castelleone | 1,742.28 mi (2,803.92 km) |
