| Porsgrunn to Brezno | 816.99 mi (1,314.82 km) |
| Porsgrunn to Bytca | 770.07 mi (1,239.30 km) |
| Porsgrunn to Cadca | 761.05 mi (1,224.79 km) |
| Porsgrunn to Detva | 828.42 mi (1,333.22 km) |
| Porsgrunn to Dolny Kubin | 784.87 mi (1,263.12 km) |
| Porsgrunn to Dubnica nad Vahom | 779.76 mi (1,254.91 km) |
| Porsgrunn to Dunajska Streda | 832.81 mi (1,340.27 km) |
| Porsgrunn to Fil'akovo | 853.99 mi (1,374.37 km) |
| Porsgrunn to Galanta | 821.87 mi (1,322.68 km) |
| Porsgrunn to Handlova | 805.10 mi (1,295.68 km) |
| Porsgrunn to Hlohovec | 807.31 mi (1,299.24 km) |
| Porsgrunn to Holic | 772.51 mi (1,243.24 km) |
| Porsgrunn to Humenne | 857.23 mi (1,379.57 km) |
| Porsgrunn to Kezmarok | 812.64 mi (1,307.81 km) |
| Porsgrunn to Kolarovo | 843.82 mi (1,358.00 km) |
