| Porsgrunn to Sugar Hill (Georgia) | 4,355.82 mi (7,010.01 km) |
| Porsgrunn to Sugar Land (Texas) | 4,988.54 mi (8,028.27 km) |
| Porsgrunn to Sugarland Run (Virginia) | 3,861.95 mi (6,215.21 km) |
| Porsgrunn to Sugarmill Woods (Florida) | 4,610.20 mi (7,419.39 km) |
| Porsgrunn to Suisun City (California) | 5,164.82 mi (8,311.98 km) |
| Porsgrunn to Suitland (Maryland) | 3,856.71 mi (6,206.78 km) |
| Porsgrunn to Sulphur (Louisiana) | 4,879.53 mi (7,852.84 km) |
| Porsgrunn to Sulphur Springs (Texas) | 4,779.08 mi (7,691.18 km) |
| Porsgrunn to Summerfield (Maryland) | 3,851.91 mi (6,199.04 km) |
| Porsgrunn to Summerfield (North Carolina) | 4,101.34 mi (6,600.48 km) |
| Porsgrunn to Summerlin South (Nevada) | 5,144.83 mi (8,279.80 km) |
| Porsgrunn to Summerville (South Carolina) | 4,289.22 mi (6,902.83 km) |
| Porsgrunn to Summit (Illinois) | 4,045.37 mi (6,510.39 km) |
| Porsgrunn to Summit (New Jersey) | 3,671.07 mi (5,908.01 km) |
| Porsgrunn to Sumner (Washington) | 4,602.89 mi (7,407.63 km) |
