| Sierpc to Lastra a Signa | 741.57 mi (1,193.45 km) |
| Sierpc to Laterza | 857.02 mi (1,379.24 km) |
| Sierpc to Latiano | 858.20 mi (1,381.15 km) |
| Sierpc to Latina | 849.41 mi (1,366.99 km) |
| Sierpc to Latisana | 571.85 mi (920.30 km) |
| Sierpc to Lauria Inferiore | 904.93 mi (1,456.34 km) |
| Sierpc to Lavagna | 755.59 mi (1,216.00 km) |
| Sierpc to Lavello | 837.36 mi (1,347.61 km) |
| Sierpc to Laveno-Mombello | 690.62 mi (1,111.45 km) |
| Sierpc to Lavis | 603.01 mi (970.46 km) |
| Sierpc to Lecce | 868.84 mi (1,398.26 km) |
| Sierpc to Lecco | 669.22 mi (1,077.01 km) |
| Sierpc to Legnago | 651.42 mi (1,048.35 km) |
| Sierpc to Legnano | 698.53 mi (1,124.18 km) |
| Sierpc to Legnaro | 625.46 mi (1,006.58 km) |
