| Porsgrunn to Zirndorf | 669.67 mi (1,077.73 km) |
| Porsgrunn to Zittau | 602.33 mi (969.36 km) |
| Porsgrunn to Zorbig | 526.58 mi (847.45 km) |
| Porsgrunn to Zorneding | 767.11 mi (1,234.55 km) |
| Porsgrunn to Zossen | 498.25 mi (801.86 km) |
| Porsgrunn to Zschopau | 592.98 mi (954.30 km) |
| Porsgrunn to Zulpich | 593.87 mi (955.74 km) |
| Porsgrunn to Zweibrucken | 688.09 mi (1,107.37 km) |
| Porsgrunn to Zwenkau | 555.26 mi (893.61 km) |
| Porsgrunn to Zwickau | 590.66 mi (950.57 km) |
| Porsgrunn to Zwiesel | 711.99 mi (1,145.83 km) |
| Porsgrunn to Zwonitz | 599.77 mi (965.23 km) |
| Porsgrunn to Acharnes | 1,580.69 mi (2,543.88 km) |
| Porsgrunn to Agia Paraskevi | 1,586.89 mi (2,553.85 km) |
| Porsgrunn to Agia Varvara | 1,584.70 mi (2,550.34 km) |
