EuroVelo 11 is called 11 the East Europe Route and connect (theoretically) the North Cape with Athens. On the state of the route there is an OpenStreetMap wiki page 
for the Baltic States
- only marked on Estonia’s National Route No. 3.
If you want to discover it in Latvia and Lithuania,
you can read the BaltiCCycle.eu route descriptions
- “Riga-Vilnius by bicycle” (LT3/LV3) and
- Warsaw-Vilnius (LT1)