| Porsgrunn to Annaberg-Buchholz | 603.93 mi (971.93 km) |
| Porsgrunn to Anrochte | 524.35 mi (843.85 km) |
| Porsgrunn to Ansbach | 679.09 mi (1,092.90 km) |
| Porsgrunn to Apen | 413.71 mi (665.81 km) |
| Porsgrunn to Apolda | 564.07 mi (907.79 km) |
| Porsgrunn to Appenweier | 734.06 mi (1,181.35 km) |
| Porsgrunn to Arnsberg | 538.04 mi (865.88 km) |
| Porsgrunn to Arnstadt | 574.26 mi (924.18 km) |
| Porsgrunn to Aschaffenburg | 632.52 mi (1,017.94 km) |
| Porsgrunn to Ascheberg | 512.74 mi (825.18 km) |
| Porsgrunn to Aschersleben | 513.51 mi (826.41 km) |
| Porsgrunn to Aschheim | 760.41 mi (1,223.76 km) |
| Porsgrunn to Asperg | 706.21 mi (1,136.54 km) |
| Porsgrunn to Asslar | 591.57 mi (952.04 km) |
| Porsgrunn to Attendorn | 557.23 mi (896.77 km) |
