| Porsgrunn to Torgelow | 413.69 mi (665.76 km) |
| Porsgrunn to Tornesch | 374.18 mi (602.19 km) |
| Porsgrunn to Tostedt | 402.97 mi (648.52 km) |
| Porsgrunn to Traunreut | 779.11 mi (1,253.86 km) |
| Porsgrunn to Traunstein | 786.27 mi (1,265.37 km) |
| Porsgrunn to Trebbin | 495.52 mi (797.46 km) |
| Porsgrunn to Trebur | 637.17 mi (1,025.43 km) |
| Porsgrunn to Treuchtlingen | 703.66 mi (1,132.44 km) |
| Porsgrunn to Trier | 658.11 mi (1,059.13 km) |
| Porsgrunn to Trittau | 380.85 mi (612.92 km) |
| Porsgrunn to Troisdorf | 582.21 mi (936.98 km) |
| Porsgrunn to Trossingen | 764.03 mi (1,229.59 km) |
| Porsgrunn to Trostberg an der Alz | 775.48 mi (1,248.02 km) |
| Porsgrunn to Tubingen | 732.56 mi (1,178.95 km) |
| Porsgrunn to Tuttlingen | 769.89 mi (1,239.02 km) |
