| Irthlingborough to Llantwit Major | 137.54 mi (221.35 km) |
| Irthlingborough to London | 60.12 mi (96.76 km) |
| Irthlingborough to London Colney | 43.42 mi (69.88 km) |
| Irthlingborough to Long Eaton | 48.30 mi (77.73 km) |
| Irthlingborough to Longbenton | 188.99 mi (304.14 km) |
| Irthlingborough to Longbridge | 57.80 mi (93.03 km) |
| Irthlingborough to Longton | 78.45 mi (126.25 km) |
| Irthlingborough to Loughborough | 39.44 mi (63.48 km) |
| Irthlingborough to Loughton | 55.03 mi (88.56 km) |
| Irthlingborough to Louth | 76.39 mi (122.94 km) |
| Irthlingborough to Lowestoft | 100.23 mi (161.31 km) |
| Irthlingborough to Lowton | 113.66 mi (182.92 km) |
| Irthlingborough to Ludlow | 88.86 mi (143.00 km) |
| Irthlingborough to Luton | 31.94 mi (51.40 km) |
| Irthlingborough to Lydney | 91.19 mi (146.76 km) |
