| Hertford to Moncalieri | 588.61 mi (947.28 km) |
| Hertford to Mondolfo | 824.47 mi (1,326.86 km) |
| Hertford to Mondovi | 627.77 mi (1,010.31 km) |
| Hertford to Monesiglio | 631.04 mi (1,015.56 km) |
| Hertford to Monfalcone | 743.40 mi (1,196.39 km) |
| Hertford to Monopoli | 1,111.89 mi (1,789.42 km) |
| Hertford to Monreale | 1,147.25 mi (1,846.32 km) |
| Hertford to Monselice | 704.66 mi (1,134.04 km) |
| Hertford to Monserrato | 973.40 mi (1,566.54 km) |
| Hertford to Monsummano | 743.78 mi (1,196.99 km) |
| Hertford to Montagnana | 694.81 mi (1,118.19 km) |
| Hertford to Montale | 746.48 mi (1,201.35 km) |
| Hertford to Montalto di Castro | 851.08 mi (1,369.69 km) |
| Hertford to Montalto Uffugo | 1,156.29 mi (1,860.87 km) |
| Hertford to Monte Compatri | 915.81 mi (1,473.85 km) |
