| Owings Mills to Mirfield | 3,524.42 mi (5,672.00 km) |
| Owings Mills to Mitcham | 3,633.38 mi (5,847.36 km) |
| Owings Mills to Mold | 3,476.93 mi (5,595.58 km) |
| Owings Mills to Molesey | 3,624.76 mi (5,833.48 km) |
| Owings Mills to Monkseaton | 3,507.88 mi (5,645.39 km) |
| Owings Mills to Monmouth | 3,519.82 mi (5,664.61 km) |
| Owings Mills to Montrose | 3,441.79 mi (5,539.02 km) |
| Owings Mills to Morden | 3,631.61 mi (5,844.51 km) |
| Owings Mills to Morecambe | 3,470.79 mi (5,585.70 km) |
| Owings Mills to Moreton | 3,473.47 mi (5,590.01 km) |
| Owings Mills to Morley | 3,526.50 mi (5,675.35 km) |
| Owings Mills to Morpeth | 3,496.80 mi (5,627.55 km) |
| Owings Mills to Morriston | 3,472.70 mi (5,588.77 km) |
| Owings Mills to Mosbrough | 3,544.23 mi (5,703.89 km) |
| Owings Mills to Mossley | 3,513.81 mi (5,654.93 km) |
