| Porsgrunn to Tutzing | 776.94 mi (1,250.36 km) |
| Porsgrunn to Twist | 460.77 mi (741.54 km) |
| Porsgrunn to Twistringen | 438.27 mi (705.33 km) |
| Porsgrunn to Ubach-Palenberg | 583.66 mi (939.30 km) |
| Porsgrunn to Uberherrn | 692.25 mi (1,114.06 km) |
| Porsgrunn to Uberlingen | 784.45 mi (1,262.45 km) |
| Porsgrunn to Ubstadt-Weiher | 688.86 mi (1,108.61 km) |
| Porsgrunn to Ueckermunde | 406.53 mi (654.25 km) |
| Porsgrunn to Uelzen | 426.26 mi (686.00 km) |
| Porsgrunn to Uetersen | 375.07 mi (603.62 km) |
| Porsgrunn to Uetze | 459.83 mi (740.03 km) |
| Porsgrunn to Uhingen | 719.26 mi (1,157.54 km) |
| Porsgrunn to Ulm | 740.46 mi (1,191.65 km) |
| Porsgrunn to Unna | 529.72 mi (852.50 km) |
| Porsgrunn to Unterfohring | 758.87 mi (1,221.28 km) |
