| Porsgrunn to Coswig | 510.83 mi (822.11 km) |
| Porsgrunn to Cottbus | 539.22 mi (867.79 km) |
| Porsgrunn to Crailsheim | 689.77 mi (1,110.07 km) |
| Porsgrunn to Cremlingen | 475.85 mi (765.81 km) |
| Porsgrunn to Crimmitschau | 582.93 mi (938.14 km) |
| Porsgrunn to Cuxhaven | 365.10 mi (587.57 km) |
| Porsgrunn to Dachau | 753.27 mi (1,212.28 km) |
| Porsgrunn to Dallgow-Doberitz | 472.77 mi (760.85 km) |
| Porsgrunn to Damme | 459.39 mi (739.31 km) |
| Porsgrunn to Darmstadt | 640.04 mi (1,030.05 km) |
| Porsgrunn to Dassel | 505.23 mi (813.09 km) |
| Porsgrunn to Datteln | 523.78 mi (842.94 km) |
| Porsgrunn to Dautphe | 572.35 mi (921.11 km) |
| Porsgrunn to Deggendorf | 722.44 mi (1,162.65 km) |
| Porsgrunn to Delbruck | 509.71 mi (820.30 km) |
