| Henley on Thames to Mickleover | 98.25 mi (158.12 km) |
| Henley on Thames to Middlesbrough | 210.57 mi (338.87 km) |
| Henley on Thames to Middleton | 149.58 mi (240.73 km) |
| Henley on Thames to Middlewich | 131.59 mi (211.77 km) |
| Henley on Thames to Midsomer Norton | 70.22 mi (113.01 km) |
| Henley on Thames to Mildenhall | 82.10 mi (132.12 km) |
| Henley on Thames to Milford Haven | 177.97 mi (286.42 km) |
| Henley on Thames to Mill Hill | 29.48 mi (47.44 km) |
| Henley on Thames to Milngavie | 334.74 mi (538.72 km) |
| Henley on Thames to Milnrow | 152.03 mi (244.68 km) |
| Henley on Thames to Milton | 116.99 mi (188.28 km) |
| Henley on Thames to Milton Keynes | 35.38 mi (56.93 km) |
| Henley on Thames to Minehead | 113.23 mi (182.23 km) |
| Henley on Thames to Minster | 74.09 mi (119.24 km) |
| Henley on Thames to Mirfield | 151.83 mi (244.34 km) |
