| Preakness to Mirfield | 3,353.10 mi (5,396.29 km) |
| Preakness to Mitcham | 3,461.71 mi (5,571.09 km) |
| Preakness to Mold | 3,305.44 mi (5,319.59 km) |
| Preakness to Molesey | 3,453.08 mi (5,557.20 km) |
| Preakness to Monkseaton | 3,337.01 mi (5,370.40 km) |
| Preakness to Monmouth | 3,348.15 mi (5,388.32 km) |
| Preakness to Montrose | 3,271.59 mi (5,265.12 km) |
| Preakness to Morden | 3,459.94 mi (5,568.23 km) |
| Preakness to Morecambe | 3,299.53 mi (5,310.07 km) |
| Preakness to Moreton | 3,302.03 mi (5,314.10 km) |
| Preakness to Morley | 3,355.20 mi (5,399.67 km) |
| Preakness to Morpeth | 3,325.96 mi (5,352.61 km) |
| Preakness to Morriston | 3,301.00 mi (5,312.44 km) |
| Preakness to Mosbrough | 3,372.84 mi (5,428.06 km) |
| Preakness to Mossley | 3,342.43 mi (5,379.12 km) |
