| Porsgrunn to Szombathely | 868.23 mi (1,397.27 km) |
| Porsgrunn to Tapolca | 902.38 mi (1,452.24 km) |
| Porsgrunn to Tarnok | 894.13 mi (1,438.97 km) |
| Porsgrunn to Tata | 866.28 mi (1,394.14 km) |
| Porsgrunn to Tatabanya | 871.74 mi (1,402.93 km) |
| Porsgrunn to Tiszafoldvar | 943.78 mi (1,518.86 km) |
| Porsgrunn to Tiszafured | 913.30 mi (1,469.81 km) |
| Porsgrunn to Tiszakecske | 943.53 mi (1,518.46 km) |
| Porsgrunn to Tiszaujvaros | 900.12 mi (1,448.60 km) |
| Porsgrunn to Tiszavasvari | 905.01 mi (1,456.48 km) |
| Porsgrunn to Tokol | 898.52 mi (1,446.04 km) |
| Porsgrunn to Tolna | 953.54 mi (1,534.58 km) |
| Porsgrunn to Torokbalint | 890.10 mi (1,432.48 km) |
| Porsgrunn to Torokszentmiklos | 933.62 mi (1,502.52 km) |
| Porsgrunn to Ujfeherto | 921.05 mi (1,482.29 km) |
