| Southborough to Mexborough | 174.35 mi (280.58 km) |
| Southborough to Mickleover | 142.96 mi (230.07 km) |
| Southborough to Middlesbrough | 244.23 mi (393.04 km) |
| Southborough to Middleton | 195.15 mi (314.07 km) |
| Southborough to Middlewich | 181.31 mi (291.79 km) |
| Southborough to Midsomer Norton | 119.17 mi (191.79 km) |
| Southborough to Mildenhall | 82.52 mi (132.81 km) |
| Southborough to Milford Haven | 231.75 mi (372.96 km) |
| Southborough to Mill Hill | 38.30 mi (61.64 km) |
| Southborough to Milngavie | 379.95 mi (611.47 km) |
| Southborough to Milnrow | 196.71 mi (316.57 km) |
| Southborough to Milton | 165.79 mi (266.81 km) |
| Southborough to Milton Keynes | 75.06 mi (120.80 km) |
| Southborough to Minehead | 161.95 mi (260.64 km) |
| Southborough to Minster | 29.63 mi (47.68 km) |
