| Longmont to Marly-le-Roi | 4,856.67 mi (7,816.06 km) |
| Longmont to Marmande | 4,976.42 mi (8,008.77 km) |
| Longmont to Maromme | 4,793.01 mi (7,713.60 km) |
| Longmont to Marquette-les-Lille | 4,811.29 mi (7,743.02 km) |
| Longmont to Marseille | 5,226.90 mi (8,411.88 km) |
| Longmont to Martigues | 5,209.85 mi (8,384.44 km) |
| Longmont to Massy | 4,868.86 mi (7,835.67 km) |
| Longmont to Maubeuge | 4,859.57 mi (7,820.72 km) |
| Longmont to Mauguio | 5,161.29 mi (8,306.30 km) |
| Longmont to Mauleon | 4,837.45 mi (7,785.13 km) |
| Longmont to Maurepas | 4,855.97 mi (7,814.92 km) |
| Longmont to Maxeville | 5,004.65 mi (8,054.21 km) |
| Longmont to Mayenne | 4,783.92 mi (7,698.98 km) |
| Longmont to Mazamet | 5,105.28 mi (8,216.16 km) |
| Longmont to Meaux | 4,880.45 mi (7,854.32 km) |
