| Porsgrunn to Sint-Gillis-bij-Dendermonde | 601.26 mi (967.63 km) |
| Porsgrunn to Sint-Gillis-Waas | 588.22 mi (946.65 km) |
| Porsgrunn to Sint-Job-in-'t-Goor | 576.41 mi (927.64 km) |
| Porsgrunn to Sint-Joost-ten-Node | 608.43 mi (979.17 km) |
| Porsgrunn to Sint-Katelijne-Waver | 592.16 mi (953.00 km) |
| Porsgrunn to Sint-Kruis | 602.04 mi (968.89 km) |
| Porsgrunn to Sint-Lievens-Houtem | 611.40 mi (983.95 km) |
| Porsgrunn to Sint-Martens-Lennik | 614.92 mi (989.62 km) |
| Porsgrunn to Sint-Michiels | 604.40 mi (972.69 km) |
| Porsgrunn to Sint-Niklaas | 591.23 mi (951.49 km) |
| Porsgrunn to Sint-Pieters-Leeuw | 614.63 mi (989.14 km) |
| Porsgrunn to Sint-Truiden | 600.51 mi (966.42 km) |
| Porsgrunn to Soignies | 631.36 mi (1,016.08 km) |
| Porsgrunn to Soumagne | 607.69 mi (977.99 km) |
| Porsgrunn to Spa | 614.91 mi (989.60 km) |
