| Harrow Weald to Marly-le-Roi | 217.52 mi (350.07 km) |
| Harrow Weald to Marmande | 491.39 mi (790.81 km) |
| Harrow Weald to Maromme | 158.66 mi (255.34 km) |
| Harrow Weald to Marquette-les-Lille | 160.92 mi (258.98 km) |
| Harrow Weald to Marseille | 632.48 mi (1,017.87 km) |
| Harrow Weald to Martigues | 619.34 mi (996.73 km) |
| Harrow Weald to Massy | 229.65 mi (369.58 km) |
| Harrow Weald to Maubeuge | 208.88 mi (336.16 km) |
| Harrow Weald to Mauguio | 587.59 mi (945.63 km) |
| Harrow Weald to Mauleon | 323.97 mi (521.38 km) |
| Harrow Weald to Maurepas | 220.77 mi (355.30 km) |
| Harrow Weald to Maxeville | 350.20 mi (563.59 km) |
| Harrow Weald to Mayenne | 228.40 mi (367.57 km) |
| Harrow Weald to Mazamet | 574.49 mi (924.56 km) |
| Harrow Weald to Meaux | 231.62 mi (372.75 km) |
