| name | date created | date dissolved | Length (m) | country |
|---|---|---|---|---|
| Frontière entre l'Estonie et la Lettonie | 1914 | from 1940 | 339,000 | Estonia, Latvia |
| Granica polsko-łotewska | 1918 | 1939 | 113,313 | Latvia, Poland |
| Latvia–Lithuania border | 1918 | from 1940 | 453,000 | Latvia, Lithuania |
| Latvia–Russia border | 1991 | 1940 - 1991 | 282,000 | Latvia, Russia |
| Belarus–Latvia border | 1991 | 172,912 | Belarus, Latvia |