| Porsgrunn to North Myrtle Beach (South Carolina) | 4,193.54 mi (6,748.85 km) |
| Porsgrunn to North New Hyde Park (New York) | 3,646.78 mi (5,868.93 km) |
| Porsgrunn to North Ogden (Utah) | 4,742.95 mi (7,633.04 km) |
| Porsgrunn to North Olmsted (Ohio) | 3,880.81 mi (6,245.55 km) |
| Porsgrunn to North Palm Beach (Florida) | 4,636.29 mi (7,461.39 km) |
| Porsgrunn to North Plainfield (New Jersey) | 3,678.57 mi (5,920.08 km) |
| Porsgrunn to North Platte (Nebraska) | 4,462.21 mi (7,181.23 km) |
| Porsgrunn to North Port (Florida) | 4,695.95 mi (7,557.40 km) |
| Porsgrunn to North Potomac (Maryland) | 3,853.83 mi (6,202.15 km) |
| Porsgrunn to North Richland Hills (Texas) | 4,844.57 mi (7,796.58 km) |
| Porsgrunn to North Ridgeville (Ohio) | 3,885.64 mi (6,253.33 km) |
| Porsgrunn to North Royalton (Ohio) | 3,880.73 mi (6,245.42 km) |
| Porsgrunn to North Salt Lake (Utah) | 4,770.57 mi (7,677.49 km) |
| Porsgrunn to North St. Paul (Minnesota) | 4,020.32 mi (6,470.08 km) |
| Porsgrunn to North Tonawanda (New York) | 3,695.04 mi (5,946.59 km) |
