| Porsgrunn to Sturovo | 863.49 mi (1,389.65 km) |
| Porsgrunn to Surany | 835.95 mi (1,345.34 km) |
| Porsgrunn to Svidnik | 827.43 mi (1,331.62 km) |
| Porsgrunn to Topol'cany | 805.79 mi (1,296.79 km) |
| Porsgrunn to Trebisov | 871.41 mi (1,402.39 km) |
| Porsgrunn to Trencin | 781.77 mi (1,258.13 km) |
| Porsgrunn to Trnava | 807.45 mi (1,299.46 km) |
| Porsgrunn to Tvrdosin | 782.31 mi (1,259.00 km) |
| Porsgrunn to Vel'ke Kapusany | 884.34 mi (1,423.21 km) |
| Porsgrunn to Vel'ky Krtis | 848.11 mi (1,364.91 km) |
| Porsgrunn to Vel'ky Meder | 844.15 mi (1,358.53 km) |
| Porsgrunn to Vrable | 828.14 mi (1,332.76 km) |
| Porsgrunn to Vranov nad Topl'ou | 855.21 mi (1,376.33 km) |
| Porsgrunn to Ziar nad Hronom | 815.96 mi (1,313.16 km) |
| Porsgrunn to Zilina | 773.42 mi (1,244.70 km) |
