| Castel Gandolfo to Ivrea | 350.87 mi (564.67 km) |
| Castel Gandolfo to L'Aquila | 56.65 mi (91.17 km) |
| Castel Gandolfo to La Loggia | 334.44 mi (538.23 km) |
| Castel Gandolfo to La Maddalena | 172.25 mi (277.22 km) |
| Castel Gandolfo to La Spezia | 216.79 mi (348.89 km) |
| Castel Gandolfo to Lacchiarella | 303.35 mi (488.19 km) |
| Castel Gandolfo to Ladispoli | 33.01 mi (53.12 km) |
| Castel Gandolfo to Lainate | 319.88 mi (514.80 km) |
| Castel Gandolfo to Laives | 329.61 mi (530.45 km) |
| Castel Gandolfo to Lana | 344.59 mi (554.56 km) |
| Castel Gandolfo to Lanciano | 95.05 mi (152.97 km) |
| Castel Gandolfo to Langhirano | 231.83 mi (373.10 km) |
| Castel Gandolfo to Lanuvio | 5.05 mi (8.12 km) |
| Castel Gandolfo to Lariano | 9.40 mi (15.13 km) |
| Castel Gandolfo to Lastra a Signa | 160.22 mi (257.85 km) |
