| Irthlingborough to Largo (Florida) | 4,396.41 mi (7,075.34 km) |
| Irthlingborough to Largo (Maryland) | 3,620.33 mi (5,826.36 km) |
| Irthlingborough to Larkspur (California) | 5,292.42 mi (8,517.33 km) |
| Irthlingborough to Las Cruces (New Mexico) | 5,097.56 mi (8,203.73 km) |
| Irthlingborough to Las Vegas (Nevada) | 5,168.16 mi (8,317.34 km) |
| Irthlingborough to Las Vegas (New Mexico) | 4,864.27 mi (7,828.28 km) |
| Irthlingborough to Latham (New York) | 3,325.68 mi (5,352.16 km) |
| Irthlingborough to Lathrop (California) | 5,264.32 mi (8,472.11 km) |
| Irthlingborough to Lauderdale Lakes (Florida) | 4,378.61 mi (7,046.70 km) |
| Irthlingborough to Lauderhill (Florida) | 4,379.94 mi (7,048.84 km) |
| Irthlingborough to Laurel (Florida) | 4,421.95 mi (7,116.44 km) |
| Irthlingborough to Laurel (Maryland) | 3,611.85 mi (5,812.71 km) |
| Irthlingborough to Laurel (Mississippi) | 4,462.35 mi (7,181.46 km) |
| Irthlingborough to Laurel (Virginia) | 3,705.01 mi (5,962.64 km) |
| Irthlingborough to Laurinburg (North Carolina) | 3,921.29 mi (6,310.70 km) |
