| Porsgrunn to Laguna Beach (California) | 5,364.72 mi (8,633.68 km) |
| Porsgrunn to Laguna Hills (California) | 5,360.32 mi (8,626.60 km) |
| Porsgrunn to Laguna Niguel (California) | 5,364.50 mi (8,633.32 km) |
| Porsgrunn to Laguna Woods (California) | 5,359.92 mi (8,625.96 km) |
| Porsgrunn to Lahaina (Hawaii) | 6,855.09 mi (11,032.20 km) |
| Porsgrunn to Lake Arbor (Maryland) | 3,850.32 mi (6,196.49 km) |
| Porsgrunn to Lake Barcroft (Virginia) | 3,864.43 mi (6,219.21 km) |
| Porsgrunn to Lake Butler (Florida) | 4,591.77 mi (7,389.74 km) |
| Porsgrunn to Lake Charles (Louisiana) | 4,876.54 mi (7,848.03 km) |
| Porsgrunn to Lake City (Florida) | 4,531.59 mi (7,292.89 km) |
| Porsgrunn to Lake Elmo (Minnesota) | 4,018.62 mi (6,467.34 km) |
| Porsgrunn to Lake Elsinore (California) | 5,345.70 mi (8,603.08 km) |
| Porsgrunn to Lake Forest (California) | 5,355.34 mi (8,618.58 km) |
| Porsgrunn to Lake Forest (Illinois) | 4,021.80 mi (6,472.46 km) |
| Porsgrunn to Lake Forest Park (Washington) | 4,570.09 mi (7,354.84 km) |
