| Porsgrunn to Lewiston (Maine) | 3,354.64 mi (5,398.77 km) |
| Porsgrunn to Lewisville (North Carolina) | 4,123.75 mi (6,636.54 km) |
| Porsgrunn to Lewisville (Texas) | 4,826.50 mi (7,767.51 km) |
| Porsgrunn to Lexington (Kentucky) | 4,147.99 mi (6,675.55 km) |
| Porsgrunn to Lexington (Nebraska) | 4,454.16 mi (7,168.28 km) |
| Porsgrunn to Lexington (North Carolina) | 4,135.56 mi (6,655.55 km) |
| Porsgrunn to Lexington (South Carolina) | 4,268.60 mi (6,869.64 km) |
| Porsgrunn to Lexington Park (Maryland) | 3,873.05 mi (6,233.08 km) |
| Porsgrunn to Liberal (Kansas) | 4,706.80 mi (7,574.86 km) |
| Porsgrunn to Liberty (Missouri) | 4,389.10 mi (7,063.57 km) |
| Porsgrunn to Liberty Lake (Washington) | 4,470.56 mi (7,194.66 km) |
| Porsgrunn to Liberty Triangle (Florida) | 4,580.84 mi (7,372.14 km) |
| Porsgrunn to Libertyville (Illinois) | 4,022.37 mi (6,473.39 km) |
| Porsgrunn to Lighthouse Point (Florida) | 4,668.56 mi (7,513.33 km) |
| Porsgrunn to Lilburn (Georgia) | 4,370.82 mi (7,034.16 km) |
