| Porsgrunn to Southern Pines (North Carolina) | 4,140.59 mi (6,663.64 km) |
| Porsgrunn to Southfield (Michigan) | 3,865.77 mi (6,221.36 km) |
| Porsgrunn to Southgate (Michigan) | 3,878.81 mi (6,242.34 km) |
| Porsgrunn to Southlake (Texas) | 4,836.97 mi (7,784.36 km) |
| Porsgrunn to Spanaway (Washington) | 4,614.19 mi (7,425.82 km) |
| Porsgrunn to Spanish Fork (Utah) | 4,808.54 mi (7,738.59 km) |
| Porsgrunn to Spanish Lake (Missouri) | 4,287.21 mi (6,899.60 km) |
| Porsgrunn to Spanish Springs (Nevada) | 5,024.77 mi (8,086.58 km) |
| Porsgrunn to Sparks (Nevada) | 5,031.03 mi (8,096.66 km) |
| Porsgrunn to Spartanburg (South Carolina) | 4,238.44 mi (6,821.10 km) |
| Porsgrunn to Spearfish (South Dakota) | 4,347.21 mi (6,996.16 km) |
| Porsgrunn to Speedway (Indiana) | 4,107.40 mi (6,610.22 km) |
| Porsgrunn to Spencer (Iowa) | 4,187.38 mi (6,738.93 km) |
| Porsgrunn to Spokane (Washington) | 4,477.60 mi (7,206.00 km) |
| Porsgrunn to Spokane Valley (Washington) | 4,473.69 mi (7,199.71 km) |
