| Porsgrunn to Yonkers (New York) | 3,642.16 mi (5,861.49 km) |
| Porsgrunn to Yorba Linda (California) | 5,343.39 mi (8,599.36 km) |
| Porsgrunn to York (Pennsylvania) | 3,790.05 mi (6,099.49 km) |
| Porsgrunn to Yorktown (Indiana) | 4,062.60 mi (6,538.12 km) |
| Porsgrunn to Yorkville (Illinois) | 4,072.18 mi (6,553.54 km) |
| Porsgrunn to Youngstown (Ohio) | 3,857.01 mi (6,207.25 km) |
| Porsgrunn to Youngsville (Louisiana) | 4,844.03 mi (7,795.71 km) |
| Porsgrunn to Ypsilanti (Michigan) | 3,889.77 mi (6,259.97 km) |
| Porsgrunn to Yuba City (California) | 5,100.56 mi (8,208.56 km) |
| Porsgrunn to Yucaipa (California) | 5,316.80 mi (8,556.56 km) |
| Porsgrunn to Yucca Valley (California) | 5,296.10 mi (8,523.24 km) |
| Porsgrunn to Yukon (Oklahoma) | 4,704.53 mi (7,571.21 km) |
| Porsgrunn to Yulee (Florida) | 4,469.87 mi (7,193.57 km) |
| Porsgrunn to Yuma (Arizona) | 5,344.62 mi (8,601.33 km) |
| Porsgrunn to Zachary (Louisiana) | 4,784.25 mi (7,699.51 km) |
