| Porsgrunn to Timberwood Park (Texas) | 5,070.24 mi (8,159.76 km) |
| Porsgrunn to Timonium (Maryland) | 3,813.78 mi (6,137.69 km) |
| Porsgrunn to Tinley Park (Illinois) | 4,057.31 mi (6,529.61 km) |
| Porsgrunn to Tinton Falls (New Jersey) | 3,685.71 mi (5,931.58 km) |
| Porsgrunn to Tipp City (Ohio) | 4,032.66 mi (6,489.94 km) |
| Porsgrunn to Titusville (Florida) | 4,562.08 mi (7,341.96 km) |
| Porsgrunn to Toledo (Ohio) | 3,920.19 mi (6,308.94 km) |
| Porsgrunn to Tomball (Texas) | 4,958.43 mi (7,979.83 km) |
| Porsgrunn to Tonawanda (New York) | 3,697.38 mi (5,950.36 km) |
| Porsgrunn to Tooele (Utah) | 4,798.70 mi (7,722.77 km) |
| Porsgrunn to Topeka (Kansas) | 4,438.70 mi (7,143.40 km) |
| Porsgrunn to Torrance (California) | 5,360.41 mi (8,626.75 km) |
| Porsgrunn to Torrington (Connecticut) | 3,570.55 mi (5,746.24 km) |
| Porsgrunn to Totowa (New Jersey) | 3,656.26 mi (5,884.19 km) |
| Porsgrunn to Town 'n' Country (Florida) | 4,654.02 mi (7,489.92 km) |
