| Harrow to Marasesti | 1,308.05 mi (2,105.11 km) |
| Harrow to Marghita | 1,054.71 mi (1,697.40 km) |
| Harrow to Marginea | 1,191.65 mi (1,917.78 km) |
| Harrow to Matca | 1,321.95 mi (2,127.47 km) |
| Harrow to Medgidia | 1,407.22 mi (2,264.70 km) |
| Harrow to Media | 1,176.90 mi (1,894.04 km) |
| Harrow to Miercurea-Ciuc | 1,232.07 mi (1,982.82 km) |
| Harrow to Mioveni | 1,242.02 mi (1,998.83 km) |
| Harrow to Mizil | 1,303.78 mi (2,098.24 km) |
| Harrow to Moinesti | 1,258.89 mi (2,025.98 km) |
| Harrow to Moisei | 1,140.41 mi (1,835.31 km) |
| Harrow to Moldova Noua | 1,114.27 mi (1,793.24 km) |
| Harrow to Moreni | 1,270.84 mi (2,045.21 km) |
| Harrow to Motru | 1,165.15 mi (1,875.13 km) |
| Harrow to Murfatlar | 1,416.19 mi (2,279.13 km) |
