| Porsgrunn to Geraardsbergen | 621.16 mi (999.65 km) |
| Porsgrunn to Gerpinnes | 640.35 mi (1,030.54 km) |
| Porsgrunn to Gistel | 610.32 mi (982.22 km) |
| Porsgrunn to Gooik | 615.39 mi (990.38 km) |
| Porsgrunn to Grez-Doiceau | 611.95 mi (984.83 km) |
| Porsgrunn to Grimbergen | 602.96 mi (970.37 km) |
| Porsgrunn to Grobbendonk | 580.95 mi (934.95 km) |
| Porsgrunn to Haacht | 596.70 mi (960.30 km) |
| Porsgrunn to Haaltert | 610.53 mi (982.56 km) |
| Porsgrunn to Halen | 592.59 mi (953.68 km) |
| Porsgrunn to Halle | 617.90 mi (994.41 km) |
| Porsgrunn to Hamme | 596.66 mi (960.23 km) |
| Porsgrunn to Hannut | 611.67 mi (984.38 km) |
| Porsgrunn to Harelbeke | 623.78 mi (1,003.87 km) |
| Porsgrunn to Hasselt | 591.13 mi (951.33 km) |
