| Harlow to Montevarchi | 778.31 mi (1,252.57 km) |
| Harlow to Monticello Conte Otto | 673.39 mi (1,083.72 km) |
| Harlow to Montichiari | 641.72 mi (1,032.75 km) |
| Harlow to Montignoso | 708.55 mi (1,140.30 km) |
| Harlow to Montopoli in Val d'Arno | 745.42 mi (1,199.64 km) |
| Harlow to Monza | 596.88 mi (960.58 km) |
| Harlow to Morbegno | 578.42 mi (930.87 km) |
| Harlow to Mori | 640.52 mi (1,030.81 km) |
| Harlow to Morlupo | 882.93 mi (1,420.94 km) |
| Harlow to Morrovalle | 855.19 mi (1,376.30 km) |
| Harlow to Mortara | 598.54 mi (963.25 km) |
| Harlow to Mosciano Sant'Angelo | 894.53 mi (1,439.60 km) |
| Harlow to Motta di Livenza | 701.81 mi (1,129.46 km) |
| Harlow to Motta Sant'Anastasia | 1,221.97 mi (1,966.57 km) |
| Harlow to Mottola | 1,111.40 mi (1,788.63 km) |
