| Katy to Mexborough | 4,767.29 mi (7,672.21 km) |
| Katy to Mickleover | 4,772.51 mi (7,680.62 km) |
| Katy to Middlesbrough | 4,741.30 mi (7,630.39 km) |
| Katy to Middleton | 4,731.37 mi (7,614.40 km) |
| Katy to Middlewich | 4,730.69 mi (7,613.31 km) |
| Katy to Midsomer Norton | 4,777.89 mi (7,689.26 km) |
| Katy to Mildenhall | 4,867.10 mi (7,832.83 km) |
| Katy to Milford Haven | 4,664.42 mi (7,506.66 km) |
| Katy to Mill Hill | 4,858.33 mi (7,818.73 km) |
| Katy to Milngavie | 4,594.90 mi (7,394.77 km) |
| Katy to Milnrow | 4,732.88 mi (7,616.83 km) |
| Katy to Milton | 4,745.90 mi (7,637.78 km) |
| Katy to Milton Keynes | 4,826.09 mi (7,766.85 km) |
| Katy to Minehead | 4,740.07 mi (7,628.40 km) |
| Katy to Minster | 4,904.74 mi (7,893.42 km) |
