| Hertford to Minervino Murge | 1,062.36 mi (1,709.70 km) |
| Hertford to Minturno | 977.20 mi (1,572.65 km) |
| Hertford to Mira | 708.44 mi (1,140.13 km) |
| Hertford to Mirandola | 698.44 mi (1,124.03 km) |
| Hertford to Mirano | 704.35 mi (1,133.53 km) |
| Hertford to Misano Adriatico | 799.93 mi (1,287.36 km) |
| Hertford to Misilmeri | 1,154.54 mi (1,858.05 km) |
| Hertford to Missaglia | 600.14 mi (965.83 km) |
| Hertford to Misterbianco | 1,228.85 mi (1,977.64 km) |
| Hertford to Modena | 706.15 mi (1,136.43 km) |
| Hertford to Modica | 1,260.40 mi (2,028.41 km) |
| Hertford to Modugno | 1,087.12 mi (1,749.55 km) |
| Hertford to Mogliano Veneto | 706.36 mi (1,136.77 km) |
| Hertford to Molfetta | 1,074.76 mi (1,729.66 km) |
| Hertford to Molinella | 732.22 mi (1,178.40 km) |
