| Troisdorf to Ivrea | 371.04 mi (597.13 km) |
| Troisdorf to L'Aquila | 655.25 mi (1,054.53 km) |
| Troisdorf to La Loggia | 405.47 mi (652.54 km) |
| Troisdorf to La Maddalena | 671.85 mi (1,081.24 km) |
| Troisdorf to La Spezia | 480.32 mi (772.99 km) |
| Troisdorf to Lacchiarella | 390.26 mi (628.07 km) |
| Troisdorf to Ladispoli | 655.25 mi (1,054.53 km) |
| Troisdorf to Lainate | 372.83 mi (600.02 km) |
| Troisdorf to Laives | 358.44 mi (576.86 km) |
| Troisdorf to Lana | 342.36 mi (550.97 km) |
| Troisdorf to Lanciano | 684.61 mi (1,101.77 km) |
| Troisdorf to Langhirano | 451.99 mi (727.40 km) |
| Troisdorf to Lanuvio | 683.88 mi (1,100.60 km) |
| Troisdorf to Lariano | 683.13 mi (1,099.39 km) |
| Troisdorf to Lastra a Signa | 520.77 mi (838.10 km) |
