| Dundalk to Mirfield | 3,519.33 mi (5,663.81 km) |
| Dundalk to Mitcham | 3,627.54 mi (5,837.96 km) |
| Dundalk to Mold | 3,471.55 mi (5,586.91 km) |
| Dundalk to Molesey | 3,618.90 mi (5,824.05 km) |
| Dundalk to Monkseaton | 3,503.34 mi (5,638.08 km) |
| Dundalk to Monmouth | 3,513.94 mi (5,655.14 km) |
| Dundalk to Montrose | 3,437.85 mi (5,532.69 km) |
| Dundalk to Morden | 3,625.76 mi (5,835.10 km) |
| Dundalk to Morecambe | 3,465.78 mi (5,577.63 km) |
| Dundalk to Moreton | 3,468.18 mi (5,581.50 km) |
| Dundalk to Morley | 3,521.44 mi (5,667.21 km) |
| Dundalk to Morpeth | 3,492.29 mi (5,620.29 km) |
| Dundalk to Morriston | 3,466.68 mi (5,579.08 km) |
| Dundalk to Mosbrough | 3,539.03 mi (5,695.51 km) |
| Dundalk to Mossley | 3,508.63 mi (5,646.59 km) |
