| Trinity to Mexborough | 4,333.92 mi (6,974.77 km) |
| Trinity to Mickleover | 4,331.16 mi (6,970.33 km) |
| Trinity to Middlesbrough | 4,321.51 mi (6,954.79 km) |
| Trinity to Middleton | 4,296.74 mi (6,914.93 km) |
| Trinity to Middlewich | 4,290.99 mi (6,905.68 km) |
| Trinity to Midsomer Norton | 4,314.78 mi (6,943.97 km) |
| Trinity to Mildenhall | 4,423.82 mi (7,119.44 km) |
| Trinity to Milford Haven | 4,201.05 mi (6,760.94 km) |
| Trinity to Mill Hill | 4,404.56 mi (7,088.45 km) |
| Trinity to Milngavie | 4,186.70 mi (6,737.85 km) |
| Trinity to Milnrow | 4,299.09 mi (6,918.72 km) |
| Trinity to Milton | 4,305.09 mi (6,928.37 km) |
| Trinity to Milton Keynes | 4,376.09 mi (7,042.63 km) |
| Trinity to Minehead | 4,273.78 mi (6,877.98 km) |
| Trinity to Minster | 4,451.20 mi (7,163.51 km) |
