| Irthlingborough to La Riche | 345.64 mi (556.26 km) |
| Irthlingborough to La Roche-sur-Foron | 533.04 mi (857.85 km) |
| Irthlingborough to La Roche-sur-Yon | 392.31 mi (631.36 km) |
| Irthlingborough to La Rochelle | 426.57 mi (686.50 km) |
| Irthlingborough to La Seyne-sur-Mer | 704.58 mi (1,133.92 km) |
| Irthlingborough to La Teste-de-Buch | 532.85 mi (857.54 km) |
| Irthlingborough to La Trinite | 696.12 mi (1,120.29 km) |
| Irthlingborough to La Valette-du-Var | 704.14 mi (1,133.20 km) |
| Irthlingborough to Lamballe | 279.24 mi (449.40 km) |
| Irthlingborough to Lambersart | 194.61 mi (313.20 km) |
| Irthlingborough to Lambesc | 657.26 mi (1,057.75 km) |
| Irthlingborough to Lamorlaye | 256.43 mi (412.68 km) |
| Irthlingborough to Lancon-Provence | 658.69 mi (1,060.06 km) |
| Irthlingborough to Landerneau | 311.78 mi (501.76 km) |
| Irthlingborough to Landivisiau | 304.22 mi (489.60 km) |
