| Porsgrunn to Wiener Neudorf | 807.81 mi (1,300.05 km) |
| Porsgrunn to Wiener Neustadt | 824.77 mi (1,327.34 km) |
| Porsgrunn to Wolfsberg | 873.84 mi (1,406.31 km) |
| Porsgrunn to Worgl | 809.47 mi (1,302.71 km) |
| Porsgrunn to Zell am See | 824.50 mi (1,326.90 km) |
| Porsgrunn to Zwettl | 759.01 mi (1,221.50 km) |
| Porsgrunn to Aalst | 607.47 mi (977.63 km) |
| Porsgrunn to Aarschot | 593.67 mi (955.42 km) |
| Porsgrunn to Aartselaar | 589.85 mi (949.28 km) |
| Porsgrunn to Alken | 595.11 mi (957.74 km) |
| Porsgrunn to Amay | 616.90 mi (992.80 km) |
| Porsgrunn to Andenne | 623.69 mi (1,003.73 km) |
| Porsgrunn to Anderlecht | 610.20 mi (982.03 km) |
| Porsgrunn to Anderlues | 639.02 mi (1,028.40 km) |
| Porsgrunn to Ans | 607.02 mi (976.91 km) |
