| Irthlingborough to March | 33.47 mi (53.87 km) |
| Irthlingborough to Margate | 107.13 mi (172.41 km) |
| Irthlingborough to Market Drayton | 88.13 mi (141.83 km) |
| Irthlingborough to Market Harborough | 16.72 mi (26.91 km) |
| Irthlingborough to Marlow | 52.57 mi (84.61 km) |
| Irthlingborough to Marple | 95.60 mi (153.85 km) |
| Irthlingborough to Marton | 154.84 mi (249.19 km) |
| Irthlingborough to Maryport | 203.00 mi (326.70 km) |
| Irthlingborough to Matlock | 68.65 mi (110.47 km) |
| Irthlingborough to Melksham | 92.55 mi (148.95 km) |
| Irthlingborough to Meltham | 101.59 mi (163.50 km) |
| Irthlingborough to Melton Mowbray | 32.61 mi (52.49 km) |
| Irthlingborough to Merthyr Tudful | 124.15 mi (199.79 km) |
| Irthlingborough to Methil | 283.84 mi (456.80 km) |
| Irthlingborough to Mexborough | 85.85 mi (138.16 km) |
