| Porsgrunn to Washington (Indiana) | 4,199.50 mi (6,758.45 km) |
| Porsgrunn to Washington (Missouri) | 4,325.50 mi (6,961.22 km) |
| Porsgrunn to Washington (Pennsylvania) | 3,894.27 mi (6,267.23 km) |
| Porsgrunn to Washington (Utah) | 5,037.21 mi (8,106.61 km) |
| Porsgrunn to Washington Court House (Ohio) | 4,031.94 mi (6,488.78 km) |
| Porsgrunn to Washougal (Washington) | 4,708.04 mi (7,576.85 km) |
| Porsgrunn to Watauga (Texas) | 4,844.91 mi (7,797.12 km) |
| Porsgrunn to Waterbury (Connecticut) | 3,582.02 mi (5,764.71 km) |
| Porsgrunn to Waterloo (Illinois) | 4,310.95 mi (6,937.81 km) |
| Porsgrunn to Waterloo (Iowa) | 4,142.82 mi (6,667.22 km) |
| Porsgrunn to Watertown (New York) | 3,550.34 mi (5,713.72 km) |
| Porsgrunn to Watertown (South Dakota) | 4,143.66 mi (6,668.57 km) |
| Porsgrunn to Watertown (Wisconsin) | 3,995.61 mi (6,430.32 km) |
| Porsgrunn to Watertown Town (Massachusetts) | 3,477.19 mi (5,595.99 km) |
| Porsgrunn to Waterville (Maine) | 3,314.70 mi (5,334.49 km) |
