| Castel Gandolfo to Castelfiorentino | 154.01 mi (247.86 km) |
| Castel Gandolfo to Castelfranco di Sopra | 141.06 mi (227.01 km) |
| Castel Gandolfo to Castelfranco di Sotto | 165.91 mi (267.01 km) |
| Castel Gandolfo to Castelfranco Emilia | 212.74 mi (342.37 km) |
| Castel Gandolfo to Castelfranco Veneto | 273.20 mi (439.67 km) |
| Castel Gandolfo to Castellabate | 157.08 mi (252.80 km) |
| Castel Gandolfo to Castellammare del Golfo | 257.35 mi (414.16 km) |
| Castel Gandolfo to Castellammare di Stabia | 119.64 mi (192.54 km) |
| Castel Gandolfo to Castellamonte | 352.35 mi (567.05 km) |
| Castel Gandolfo to Castellana Grotte | 241.74 mi (389.05 km) |
| Castel Gandolfo to Castellaneta | 235.50 mi (379.00 km) |
| Castel Gandolfo to Castellanza | 326.47 mi (525.40 km) |
| Castel Gandolfo to Castellarano | 216.38 mi (348.24 km) |
| Castel Gandolfo to Castelleone | 284.74 mi (458.25 km) |
| Castel Gandolfo to Castelletto sopra Ticino | 339.73 mi (546.75 km) |
