| Porsgrunn to Livermore (California) | 5,194.98 mi (8,360.52 km) |
| Porsgrunn to Livingston (California) | 5,191.16 mi (8,354.37 km) |
| Porsgrunn to Livonia (Michigan) | 3,873.63 mi (6,234.01 km) |
| Porsgrunn to Lochearn (Maryland) | 3,823.42 mi (6,153.20 km) |
| Porsgrunn to Lockhart (Florida) | 4,579.95 mi (7,370.72 km) |
| Porsgrunn to Lockhart (Texas) | 5,035.08 mi (8,103.18 km) |
| Porsgrunn to Lockport (Illinois) | 4,062.90 mi (6,538.61 km) |
| Porsgrunn to Lockport (New York) | 3,682.95 mi (5,927.14 km) |
| Porsgrunn to Lodi (California) | 5,157.24 mi (8,299.78 km) |
| Porsgrunn to Lodi (New Jersey) | 3,652.94 mi (5,878.83 km) |
| Porsgrunn to Logan (Utah) | 4,714.04 mi (7,586.52 km) |
| Porsgrunn to Logansport (Indiana) | 4,057.71 mi (6,530.25 km) |
| Porsgrunn to Loganville (Georgia) | 4,365.98 mi (7,026.36 km) |
| Porsgrunn to Loma Linda (California) | 5,321.08 mi (8,563.44 km) |
| Porsgrunn to Lombard (Illinois) | 4,046.75 mi (6,512.61 km) |
