| Irthlingborough to Lye | 64.01 mi (103.02 km) |
| Irthlingborough to Lymington | 115.95 mi (186.61 km) |
| Irthlingborough to Lymm | 106.70 mi (171.72 km) |
| Irthlingborough to Mablethorpe | 79.19 mi (127.44 km) |
| Irthlingborough to Macclesfield | 90.03 mi (144.89 km) |
| Irthlingborough to Mackworth | 56.91 mi (91.60 km) |
| Irthlingborough to Madeley | 80.14 mi (128.98 km) |
| Irthlingborough to Maesteg | 138.32 mi (222.61 km) |
| Irthlingborough to Maghull | 127.38 mi (204.99 km) |
| Irthlingborough to Maidenhead | 55.61 mi (89.49 km) |
| Irthlingborough to Maidstone | 87.57 mi (140.93 km) |
| Irthlingborough to Maldon | 68.41 mi (110.10 km) |
| Irthlingborough to Maltby | 80.09 mi (128.90 km) |
| Irthlingborough to Manchester | 104.85 mi (168.74 km) |
| Irthlingborough to Mansfield | 61.70 mi (99.29 km) |
