| Thornton to Lapua | 1,090.23 mi (1,754.56 km) |
| Thornton to Laukaa | 1,163.58 mi (1,872.61 km) |
| Thornton to Lauritsala | 1,213.61 mi (1,953.11 km) |
| Thornton to Lempaala | 1,072.16 mi (1,725.48 km) |
| Thornton to Leppavirta | 1,221.27 mi (1,965.44 km) |
| Thornton to Lieksa | 1,304.17 mi (2,098.87 km) |
| Thornton to Lieto | 1,013.97 mi (1,631.82 km) |
| Thornton to Liminka | 1,210.35 mi (1,947.87 km) |
| Thornton to Liperi | 1,271.19 mi (2,045.78 km) |
| Thornton to Lohja | 1,062.95 mi (1,710.65 km) |
| Thornton to Loimaa | 1,040.60 mi (1,674.68 km) |
| Thornton to Loviisa | 1,138.36 mi (1,832.01 km) |
| Thornton to Mantsala | 1,110.46 mi (1,787.11 km) |
| Thornton to Mariehamn | 923.51 mi (1,486.24 km) |
| Thornton to Masku | 1,003.99 mi (1,615.77 km) |
