| Stockton-on-Tees to Mirfield | 63.23 mi (101.76 km) |
| Stockton-on-Tees to Mitcham | 224.28 mi (360.95 km) |
| Stockton-on-Tees to Mold | 121.92 mi (196.21 km) |
| Stockton-on-Tees to Molesey | 222.54 mi (358.14 km) |
| Stockton-on-Tees to Monkseaton | 33.15 mi (53.34 km) |
| Stockton-on-Tees to Monmouth | 199.30 mi (320.74 km) |
| Stockton-on-Tees to Montrose | 154.34 mi (248.38 km) |
| Stockton-on-Tees to Morden | 223.86 mi (360.27 km) |
| Stockton-on-Tees to Morecambe | 71.28 mi (114.71 km) |
| Stockton-on-Tees to Moreton | 108.70 mi (174.94 km) |
| Stockton-on-Tees to Morley | 57.85 mi (93.10 km) |
| Stockton-on-Tees to Morpeth | 43.84 mi (70.55 km) |
| Stockton-on-Tees to Morriston | 228.19 mi (367.24 km) |
| Stockton-on-Tees to Mosbrough | 86.04 mi (138.46 km) |
| Stockton-on-Tees to Mossley | 78.53 mi (126.38 km) |
