| Diamond Bar to Lapua | 5,396.90 mi (8,685.47 km) |
| Diamond Bar to Laukaa | 5,477.82 mi (8,815.71 km) |
| Diamond Bar to Lauritsala | 5,595.74 mi (9,005.48 km) |
| Diamond Bar to Lempaala | 5,506.48 mi (8,861.83 km) |
| Diamond Bar to Leppavirta | 5,501.92 mi (8,854.49 km) |
| Diamond Bar to Lieksa | 5,483.85 mi (8,825.40 km) |
| Diamond Bar to Lieto | 5,531.11 mi (8,901.46 km) |
| Diamond Bar to Liminka | 5,326.84 mi (8,572.72 km) |
| Diamond Bar to Liperi | 5,523.10 mi (8,888.57 km) |
| Diamond Bar to Lohja | 5,574.95 mi (8,972.02 km) |
| Diamond Bar to Loimaa | 5,521.69 mi (8,886.29 km) |
| Diamond Bar to Loviisa | 5,599.98 mi (9,012.30 km) |
| Diamond Bar to Mantsala | 5,573.99 mi (8,970.47 km) |
| Diamond Bar to Mariehamn | 5,506.56 mi (8,861.95 km) |
| Diamond Bar to Masku | 5,520.57 mi (8,884.50 km) |
