| Duncan to La Union | 5,152.27 mi (8,291.78 km) |
| Duncan to La Victoria de Acentejo | 4,685.44 mi (7,540.48 km) |
| Duncan to Laguna de Duero | 4,837.15 mi (7,784.65 km) |
| Duncan to Lalin | 4,648.67 mi (7,481.31 km) |
| Duncan to Lardero | 4,909.43 mi (7,900.96 km) |
| Duncan to Laredo | 4,834.04 mi (7,779.64 km) |
| Duncan to Las Cabezas de San Juan | 4,935.87 mi (7,943.51 km) |
| Duncan to Las Palmas | 4,751.00 mi (7,645.99 km) |
| Duncan to Las Rozas de Madrid | 4,912.41 mi (7,905.77 km) |
| Duncan to Las Torres de Cotillas | 5,120.36 mi (8,240.43 km) |
| Duncan to Lebrija | 4,931.41 mi (7,936.33 km) |
| Duncan to Leganes | 4,923.00 mi (7,922.80 km) |
| Duncan to Leon | 4,764.97 mi (7,668.49 km) |
| Duncan to Lepe | 4,866.01 mi (7,831.09 km) |
| Duncan to Linares | 5,007.03 mi (8,058.03 km) |
