| Fermo to Castelfidardo | 22.63 mi (36.42 km) |
| Fermo to Castelfiorentino | 141.34 mi (227.47 km) |
| Fermo to Castelfranco di Sopra | 112.94 mi (181.76 km) |
| Fermo to Castelfranco di Sotto | 153.40 mi (246.87 km) |
| Fermo to Castelfranco Emilia | 165.61 mi (266.53 km) |
| Fermo to Castelfranco Veneto | 194.20 mi (312.53 km) |
| Fermo to Castellabate | 209.08 mi (336.49 km) |
| Fermo to Castellammare del Golfo | 357.44 mi (575.25 km) |
| Fermo to Castellammare di Stabia | 174.86 mi (281.41 km) |
| Fermo to Castellamonte | 334.21 mi (537.86 km) |
| Fermo to Castellana Grotte | 236.89 mi (381.24 km) |
| Fermo to Castellaneta | 240.54 mi (387.11 km) |
| Fermo to Castellanza | 292.03 mi (469.98 km) |
| Fermo to Castellarano | 175.41 mi (282.30 km) |
| Fermo to Castelleone | 245.10 mi (394.46 km) |
