| Porsgrunn to Aulnay-sous-Bois | 760.72 mi (1,224.27 km) |
| Porsgrunn to Aulnoye-Aymeries | 658.31 mi (1,059.45 km) |
| Porsgrunn to Auray | 944.74 mi (1,520.42 km) |
| Porsgrunn to Aurillac | 1,026.51 mi (1,652.02 km) |
| Porsgrunn to Auriol | 1,101.66 mi (1,772.95 km) |
| Porsgrunn to Auterive | 1,144.02 mi (1,841.12 km) |
| Porsgrunn to Autun | 869.34 mi (1,399.06 km) |
| Porsgrunn to Auxerre | 820.91 mi (1,321.13 km) |
| Porsgrunn to Avignon | 1,068.11 mi (1,718.95 km) |
| Porsgrunn to Avion | 660.24 mi (1,062.55 km) |
| Porsgrunn to Avon | 791.84 mi (1,274.34 km) |
| Porsgrunn to Avranches | 847.51 mi (1,363.94 km) |
| Porsgrunn to Avrille | 905.43 mi (1,457.15 km) |
| Porsgrunn to Aytre | 1,002.38 mi (1,613.18 km) |
| Porsgrunn to Bagneux | 772.57 mi (1,243.33 km) |
