| Holyhead to Massarosa | 941.73 mi (1,515.56 km) |
| Holyhead to Matelica | 1,062.76 mi (1,710.34 km) |
| Holyhead to Matera | 1,319.19 mi (2,123.04 km) |
| Holyhead to Matino | 1,405.50 mi (2,261.94 km) |
| Holyhead to Mazzarino | 1,426.55 mi (2,295.80 km) |
| Holyhead to Meda | 811.46 mi (1,305.92 km) |
| Holyhead to Medesano | 889.75 mi (1,431.91 km) |
| Holyhead to Medicina | 954.13 mi (1,535.53 km) |
| Holyhead to Meldola | 985.83 mi (1,586.54 km) |
| Holyhead to Melegnano | 832.04 mi (1,339.04 km) |
| Holyhead to Melendugno | 1,400.58 mi (2,254.02 km) |
| Holyhead to Melfi | 1,269.13 mi (2,042.47 km) |
| Holyhead to Melilli | 1,461.17 mi (2,351.52 km) |
| Holyhead to Melito di Napoli | 1,225.78 mi (1,972.70 km) |
| Holyhead to Melito di Porto Salvo | 1,440.53 mi (2,318.32 km) |
