| Harrow on the Hill to Marly-le-Roi | 215.10 mi (346.16 km) |
| Harrow on the Hill to Marmande | 488.72 mi (786.51 km) |
| Harrow on the Hill to Maromme | 156.11 mi (251.23 km) |
| Harrow on the Hill to Marquette-les-Lille | 159.69 mi (256.99 km) |
| Harrow on the Hill to Marseille | 629.98 mi (1,013.86 km) |
| Harrow on the Hill to Martigues | 616.83 mi (992.69 km) |
| Harrow on the Hill to Massy | 227.23 mi (365.70 km) |
| Harrow on the Hill to Maubeuge | 207.55 mi (334.02 km) |
| Harrow on the Hill to Mauguio | 585.02 mi (941.49 km) |
| Harrow on the Hill to Mauleon | 321.33 mi (517.13 km) |
| Harrow on the Hill to Maurepas | 218.30 mi (351.33 km) |
| Harrow on the Hill to Maxeville | 348.56 mi (560.95 km) |
| Harrow on the Hill to Mayenne | 225.76 mi (363.32 km) |
| Harrow on the Hill to Mazamet | 571.84 mi (920.30 km) |
| Harrow on the Hill to Meaux | 229.39 mi (369.17 km) |
