| Letterkenny to Marly-le-Roi | 592.27 mi (953.17 km) |
| Letterkenny to Marmande | 802.57 mi (1,291.61 km) |
| Letterkenny to Maromme | 529.01 mi (851.37 km) |
| Letterkenny to Marquette-les-Lille | 537.95 mi (865.75 km) |
| Letterkenny to Marseille | 996.21 mi (1,603.24 km) |
| Letterkenny to Martigues | 981.36 mi (1,579.34 km) |
| Letterkenny to Massy | 604.65 mi (973.10 km) |
| Letterkenny to Maubeuge | 586.35 mi (943.63 km) |
| Letterkenny to Mauguio | 942.40 mi (1,516.64 km) |
| Letterkenny to Mauleon | 631.91 mi (1,016.96 km) |
| Letterkenny to Maurepas | 593.33 mi (954.87 km) |
| Letterkenny to Maxeville | 731.07 mi (1,176.54 km) |
| Letterkenny to Mayenne | 550.96 mi (886.69 km) |
| Letterkenny to Mazamet | 911.68 mi (1,467.20 km) |
| Letterkenny to Meaux | 611.73 mi (984.48 km) |
