| Diamond Bar to Lastra a Signa | 6,176.03 mi (9,939.35 km) |
| Diamond Bar to Laterza | 6,526.47 mi (10,503.34 km) |
| Diamond Bar to Latiano | 6,560.32 mi (10,557.82 km) |
| Diamond Bar to Latina | 6,356.91 mi (10,230.46 km) |
| Diamond Bar to Latisana | 6,131.39 mi (9,867.51 km) |
| Diamond Bar to Lauria Inferiore | 6,528.42 mi (10,506.48 km) |
| Diamond Bar to Lavagna | 6,089.94 mi (9,800.81 km) |
| Diamond Bar to Lavello | 6,472.18 mi (10,415.97 km) |
| Diamond Bar to Laveno-Mombello | 5,984.64 mi (9,631.35 km) |
| Diamond Bar to Lavis | 6,051.63 mi (9,739.15 km) |
| Diamond Bar to Lecce | 6,584.37 mi (10,596.52 km) |
| Diamond Bar to Lecco | 6,012.61 mi (9,676.35 km) |
| Diamond Bar to Legnago | 6,107.37 mi (9,828.87 km) |
| Diamond Bar to Legnano | 6,011.25 mi (9,674.18 km) |
| Diamond Bar to Legnaro | 6,119.44 mi (9,848.28 km) |
