| Keystone to Marly-le-Roi | 4,551.37 mi (7,324.72 km) |
| Keystone to Marmande | 4,547.37 mi (7,318.28 km) |
| Keystone to Maromme | 4,494.30 mi (7,232.87 km) |
| Keystone to Marquette-les-Lille | 4,559.16 mi (7,337.27 km) |
| Keystone to Marseille | 4,819.44 mi (7,756.14 km) |
| Keystone to Martigues | 4,801.64 mi (7,727.50 km) |
| Keystone to Massy | 4,561.69 mi (7,341.34 km) |
| Keystone to Maubeuge | 4,605.13 mi (7,411.24 km) |
| Keystone to Mauguio | 4,747.65 mi (7,640.61 km) |
| Keystone to Mauleon | 4,459.74 mi (7,177.25 km) |
| Keystone to Maurepas | 4,546.82 mi (7,317.40 km) |
| Keystone to Maxeville | 4,731.45 mi (7,614.54 km) |
| Keystone to Mayenne | 4,441.95 mi (7,148.62 km) |
| Keystone to Mazamet | 4,672.88 mi (7,520.28 km) |
| Keystone to Meaux | 4,584.23 mi (7,377.61 km) |
