| Lockport to Mexborough | 3,870.87 mi (6,229.57 km) |
| Lockport to Mickleover | 3,878.90 mi (6,242.48 km) |
| Lockport to Middlesbrough | 3,840.60 mi (6,180.84 km) |
| Lockport to Middleton | 3,835.70 mi (6,172.96 km) |
| Lockport to Middlewich | 3,836.83 mi (6,174.79 km) |
| Lockport to Midsomer Norton | 3,892.77 mi (6,264.81 km) |
| Lockport to Mildenhall | 3,973.39 mi (6,394.55 km) |
| Lockport to Milford Haven | 3,780.56 mi (6,084.22 km) |
| Lockport to Mill Hill | 3,968.67 mi (6,386.95 km) |
| Lockport to Milngavie | 3,691.72 mi (5,941.25 km) |
| Lockport to Milnrow | 3,836.89 mi (6,174.89 km) |
| Lockport to Milton | 3,852.32 mi (6,199.70 km) |
| Lockport to Milton Keynes | 3,935.26 mi (6,333.19 km) |
| Lockport to Minehead | 3,856.68 mi (6,206.73 km) |
| Lockport to Minster | 4,014.58 mi (6,460.84 km) |
