| Porsgrunn to Lenart v Slovenskih Goricah | 902.48 mi (1,452.40 km) |
| Porsgrunn to Lendava | 910.68 mi (1,465.60 km) |
| Porsgrunn to Litija | 926.05 mi (1,490.34 km) |
| Porsgrunn to Ljubljana | 924.24 mi (1,487.42 km) |
| Porsgrunn to Ljubno | 908.16 mi (1,461.54 km) |
| Porsgrunn to Ljutomer | 910.70 mi (1,465.63 km) |
| Porsgrunn to Logatec | 931.01 mi (1,498.32 km) |
| Porsgrunn to Lovrenc na Pohorju | 899.93 mi (1,448.30 km) |
| Porsgrunn to Luce | 905.73 mi (1,457.64 km) |
| Porsgrunn to Lukovica | 917.95 mi (1,477.30 km) |
| Porsgrunn to Majsperk | 916.40 mi (1,474.81 km) |
| Porsgrunn to Makole | 917.85 mi (1,477.14 km) |
| Porsgrunn to Maribor | 901.49 mi (1,450.80 km) |
| Porsgrunn to Markovci | 915.60 mi (1,473.51 km) |
| Porsgrunn to Medvode | 917.54 mi (1,476.64 km) |
