| Porsgrunn to Amorebieta | 1,218.92 mi (1,961.67 km) |
| Porsgrunn to Amposta | 1,332.08 mi (2,143.77 km) |
| Porsgrunn to Amurrio | 1,234.56 mi (1,986.83 km) |
| Porsgrunn to Andoain | 1,206.21 mi (1,941.21 km) |
| Porsgrunn to Andraitx | 1,387.50 mi (2,232.97 km) |
| Porsgrunn to Andujar | 1,579.05 mi (2,541.24 km) |
| Porsgrunn to Antequera | 1,654.78 mi (2,663.10 km) |
| Porsgrunn to Antigua | 2,400.54 mi (3,863.30 km) |
| Porsgrunn to Aranda de Duero | 1,335.36 mi (2,149.06 km) |
| Porsgrunn to Aranjuez | 1,440.90 mi (2,318.90 km) |
| Porsgrunn to Archena | 1,531.00 mi (2,463.91 km) |
| Porsgrunn to Arcos de la Frontera | 1,694.35 mi (2,726.80 km) |
| Porsgrunn to Arenys de Mar | 1,250.20 mi (2,012.01 km) |
| Porsgrunn to Arenys de Munt | 1,248.22 mi (2,008.82 km) |
| Porsgrunn to Argentona | 1,253.55 mi (2,017.40 km) |
