| Porsgrunn to San Diego (California) | 5,394.07 mi (8,680.92 km) |
| Porsgrunn to San Diego Country Estates (California) | 5,374.73 mi (8,649.80 km) |
| Porsgrunn to San Dimas (California) | 5,330.53 mi (8,578.66 km) |
| Porsgrunn to San Fernando (California) | 5,334.10 mi (8,584.40 km) |
| Porsgrunn to San Francisco (California) | 5,205.40 mi (8,377.28 km) |
| Porsgrunn to San Gabriel (California) | 5,338.28 mi (8,591.13 km) |
| Porsgrunn to San Germán (Puerto Rico) | 4,683.13 mi (7,536.77 km) |
| Porsgrunn to San Jacinto (California) | 5,330.37 mi (8,578.41 km) |
| Porsgrunn to San Jose (California) | 5,221.33 mi (8,402.92 km) |
| Porsgrunn to San Juan (Puerto Rico) | 4,629.85 mi (7,451.03 km) |
| Porsgrunn to San Juan (Texas) | 5,269.16 mi (8,479.89 km) |
| Porsgrunn to San Juan Capistrano (California) | 5,364.95 mi (8,634.06 km) |
| Porsgrunn to San Leandro (California) | 5,202.33 mi (8,372.34 km) |
| Porsgrunn to San Lorenzo (California) | 5,203.92 mi (8,374.89 km) |
| Porsgrunn to San Luis (Arizona) | 5,355.40 mi (8,618.69 km) |
