| Porsgrunn to Land O' Lakes (Florida) | 4,638.35 mi (7,464.71 km) |
| Porsgrunn to Landover (Maryland) | 3,851.48 mi (6,198.36 km) |
| Porsgrunn to Langley Park (Maryland) | 3,851.04 mi (6,197.64 km) |
| Porsgrunn to Lanham (Maryland) | 3,847.92 mi (6,192.62 km) |
| Porsgrunn to Lansdale (Pennsylvania) | 3,726.95 mi (5,997.94 km) |
| Porsgrunn to Lansdowne (Pennsylvania) | 3,742.89 mi (6,023.60 km) |
| Porsgrunn to Lansdowne (Virginia) | 3,862.63 mi (6,216.30 km) |
| Porsgrunn to Lansing (Illinois) | 4,049.46 mi (6,516.98 km) |
| Porsgrunn to Lansing (Kansas) | 4,403.10 mi (7,086.11 km) |
| Porsgrunn to Lansing (Michigan) | 3,893.62 mi (6,266.17 km) |
| Porsgrunn to Lantana (Florida) | 4,649.93 mi (7,483.33 km) |
| Porsgrunn to Lantana (Texas) | 4,827.97 mi (7,769.86 km) |
| Porsgrunn to Laplace (Louisiana) | 4,796.54 mi (7,719.28 km) |
| Porsgrunn to Laramie (Wyoming) | 4,582.22 mi (7,374.37 km) |
| Porsgrunn to Laredo (Texas) | 5,228.42 mi (8,414.34 km) |
