| Letterkenny to Lormont | 765.44 mi (1,231.86 km) |
| Letterkenny to Loudeac | 514.35 mi (827.76 km) |
| Letterkenny to Lourdes | 889.00 mi (1,430.71 km) |
| Letterkenny to Louviers | 546.63 mi (879.71 km) |
| Letterkenny to Louvres | 595.65 mi (958.60 km) |
| Letterkenny to Luce | 596.99 mi (960.76 km) |
| Letterkenny to Lucon | 653.03 mi (1,050.94 km) |
| Letterkenny to Lunel | 941.95 mi (1,515.92 km) |
| Letterkenny to Luneville | 748.24 mi (1,204.17 km) |
| Letterkenny to Lyon | 840.26 mi (1,352.27 km) |
| Letterkenny to Lys-les-Lannoy | 543.30 mi (874.36 km) |
| Letterkenny to Macon | 809.91 mi (1,303.43 km) |
| Letterkenny to Magny-le-Hongre | 614.32 mi (988.65 km) |
| Letterkenny to Magny-les-Hameaux | 599.46 mi (964.74 km) |
| Letterkenny to Mainvilliers | 596.09 mi (959.31 km) |
