| Irthlingborough to Livermore (California) | 5,284.63 mi (8,504.79 km) |
| Irthlingborough to Livingston (California) | 5,271.31 mi (8,483.35 km) |
| Irthlingborough to Livonia (Michigan) | 3,717.46 mi (5,982.67 km) |
| Irthlingborough to Lochearn (Maryland) | 3,595.11 mi (5,785.77 km) |
| Irthlingborough to Lockhart (Florida) | 4,304.80 mi (6,927.91 km) |
| Irthlingborough to Lockhart (Texas) | 4,890.97 mi (7,871.26 km) |
| Irthlingborough to Lockport (Illinois) | 3,931.88 mi (6,327.76 km) |
| Irthlingborough to Lockport (New York) | 3,502.12 mi (5,636.12 km) |
| Irthlingborough to Lodi (California) | 5,245.57 mi (8,441.93 km) |
| Irthlingborough to Lodi (New Jersey) | 3,419.89 mi (5,503.79 km) |
| Irthlingborough to Logan (Utah) | 4,752.89 mi (7,649.04 km) |
| Irthlingborough to Logansport (Indiana) | 3,908.08 mi (6,289.45 km) |
| Irthlingborough to Loganville (Georgia) | 4,145.17 mi (6,671.01 km) |
| Irthlingborough to Loma Linda (California) | 5,356.27 mi (8,620.08 km) |
| Irthlingborough to Lombard (Illinois) | 3,917.98 mi (6,305.38 km) |
