| Porsgrunn to Los Alamos (New Mexico) | 4,925.27 mi (7,926.46 km) |
| Porsgrunn to Los Altos (California) | 5,222.47 mi (8,404.76 km) |
| Porsgrunn to Los Angeles (California) | 5,344.38 mi (8,600.94 km) |
| Porsgrunn to Los Banos (California) | 5,214.25 mi (8,391.52 km) |
| Porsgrunn to Los Gatos (California) | 5,228.18 mi (8,413.95 km) |
| Porsgrunn to Los Lunas (New Mexico) | 5,004.11 mi (8,053.34 km) |
| Porsgrunn to Los Osos (California) | 5,325.03 mi (8,569.81 km) |
| Porsgrunn to Loudoun Valley Estates (Virginia) | 3,869.17 mi (6,226.82 km) |
| Porsgrunn to Louisville (Colorado) | 4,649.71 mi (7,482.99 km) |
| Porsgrunn to Louisville (Kentucky) | 4,179.18 mi (6,725.74 km) |
| Porsgrunn to Lovejoy (Georgia) | 4,402.12 mi (7,084.53 km) |
| Porsgrunn to Loveland (Colorado) | 4,620.97 mi (7,436.73 km) |
| Porsgrunn to Loveland (Ohio) | 4,073.95 mi (6,556.40 km) |
| Porsgrunn to Loves Park (Illinois) | 4,051.03 mi (6,519.51 km) |
| Porsgrunn to Lovington (New Mexico) | 5,021.81 mi (8,081.83 km) |
