| Porsgrunn to Cesky Tesin | 738.48 mi (1,188.47 km) |
| Porsgrunn to Cheb | 633.23 mi (1,019.08 km) |
| Porsgrunn to Chocen | 680.87 mi (1,095.75 km) |
| Porsgrunn to Chodov | 624.84 mi (1,005.59 km) |
| Porsgrunn to Chomutov | 615.69 mi (990.86 km) |
| Porsgrunn to Chotebor | 691.27 mi (1,112.49 km) |
| Porsgrunn to Chrudim | 677.91 mi (1,090.98 km) |
| Porsgrunn to Decin | 602.91 mi (970.28 km) |
| Porsgrunn to Dobris | 668.97 mi (1,076.61 km) |
| Porsgrunn to Domazlice | 680.76 mi (1,095.57 km) |
| Porsgrunn to Duchcov | 609.33 mi (980.63 km) |
| Porsgrunn to Dvur Kralove nad Labem | 646.68 mi (1,040.73 km) |
| Porsgrunn to Frenstat pod Radhostem | 743.14 mi (1,195.97 km) |
| Porsgrunn to Frydek-Mistek | 737.07 mi (1,186.20 km) |
| Porsgrunn to Frydlant nad Ostravici | 743.07 mi (1,195.86 km) |
