| Middlesbrough to Lasko | 926.49 mi (1,491.05 km) |
| Middlesbrough to Lenart v Slovenskih Goricah | 926.90 mi (1,491.70 km) |
| Middlesbrough to Lendava | 949.13 mi (1,527.47 km) |
| Middlesbrough to Litija | 916.67 mi (1,475.25 km) |
| Middlesbrough to Ljubljana | 907.08 mi (1,459.80 km) |
| Middlesbrough to Ljubno | 904.14 mi (1,455.08 km) |
| Middlesbrough to Ljutomer | 942.53 mi (1,516.85 km) |
| Middlesbrough to Logatec | 904.72 mi (1,456.01 km) |
| Middlesbrough to Lovrenc na Pohorju | 913.09 mi (1,469.48 km) |
| Middlesbrough to Luce | 899.98 mi (1,448.38 km) |
| Middlesbrough to Lukovica | 907.37 mi (1,460.27 km) |
| Middlesbrough to Majsperk | 934.08 mi (1,503.26 km) |
| Middlesbrough to Makole | 933.35 mi (1,502.09 km) |
| Middlesbrough to Maribor | 921.20 mi (1,482.53 km) |
| Middlesbrough to Markovci | 938.77 mi (1,510.81 km) |
