| Porsgrunn to Lomita (California) | 5,362.43 mi (8,630.00 km) |
| Porsgrunn to Lompoc (California) | 5,357.83 mi (8,622.59 km) |
| Porsgrunn to London (Ohio) | 4,012.65 mi (6,457.74 km) |
| Porsgrunn to Lone Tree (Colorado) | 4,668.63 mi (7,513.44 km) |
| Porsgrunn to Long Beach (California) | 5,358.58 mi (8,623.80 km) |
| Porsgrunn to Long Beach (Mississippi) | 4,737.40 mi (7,624.11 km) |
| Porsgrunn to Long Beach (New York) | 3,654.41 mi (5,881.20 km) |
| Porsgrunn to Long Branch (New Jersey) | 3,680.87 mi (5,923.80 km) |
| Porsgrunn to Longmont (Colorado) | 4,636.77 mi (7,462.16 km) |
| Porsgrunn to Longview (Texas) | 4,789.38 mi (7,707.75 km) |
| Porsgrunn to Longview (Washington) | 4,684.67 mi (7,539.24 km) |
| Porsgrunn to Longwood (Florida) | 4,572.75 mi (7,359.13 km) |
| Porsgrunn to Lorain (Ohio) | 3,887.87 mi (6,256.92 km) |
| Porsgrunn to Lorton (Virginia) | 3,874.70 mi (6,235.72 km) |
| Porsgrunn to Los Alamitos (California) | 5,356.04 mi (8,619.72 km) |
