| Irthlingborough to La Crosse (Wisconsin) | 3,944.44 mi (6,347.96 km) |
| Irthlingborough to La Grande (Oregon) | 4,741.08 mi (7,630.04 km) |
| Irthlingborough to La Grange (Illinois) | 3,915.81 mi (6,301.89 km) |
| Irthlingborough to La Grange Park (Illinois) | 3,914.63 mi (6,299.99 km) |
| Irthlingborough to La Habra (California) | 5,385.37 mi (8,666.92 km) |
| Irthlingborough to La Homa (Texas) | 5,108.98 mi (8,222.12 km) |
| Irthlingborough to La Marque (Texas) | 4,813.51 mi (7,746.60 km) |
| Irthlingborough to La Mesa (California) | 5,421.89 mi (8,725.69 km) |
| Irthlingborough to La Mirada (California) | 5,388.69 mi (8,672.26 km) |
| Irthlingborough to La Palma (California) | 5,392.68 mi (8,678.69 km) |
| Irthlingborough to La Porte (Indiana) | 3,881.42 mi (6,246.54 km) |
| Irthlingborough to La Porte (Texas) | 4,799.85 mi (7,724.62 km) |
| Irthlingborough to La Presa (California) | 5,424.71 mi (8,730.23 km) |
| Irthlingborough to La Puente (California) | 5,379.45 mi (8,657.39 km) |
| Irthlingborough to La Quinta (California) | 5,347.31 mi (8,605.66 km) |
