| Thetford to Mexborough | 112.93 mi (181.74 km) |
| Thetford to Mickleover | 101.87 mi (163.95 km) |
| Thetford to Middlesbrough | 170.29 mi (274.06 km) |
| Thetford to Middleton | 145.18 mi (233.65 km) |
| Thetford to Middlewich | 143.51 mi (230.95 km) |
| Thetford to Midsomer Norton | 157.97 mi (254.22 km) |
| Thetford to Mildenhall | 10.74 mi (17.29 km) |
| Thetford to Milford Haven | 250.23 mi (402.71 km) |
| Thetford to Mill Hill | 68.41 mi (110.10 km) |
| Thetford to Milngavie | 318.15 mi (512.01 km) |
| Thetford to Milnrow | 144.63 mi (232.76 km) |
| Thetford to Milton | 128.43 mi (206.68 km) |
| Thetford to Milton Keynes | 68.44 mi (110.14 km) |
| Thetford to Minehead | 198.33 mi (319.19 km) |
| Thetford to Minster | 68.40 mi (110.07 km) |
