Europe and large parts of ASEAN already are pretty connected. Aside from connecting the three US grids next step would surely need to be connecting continents?
Quick google says it should be feasible. London to DC is about 5k km. Longest UHV DC seems to be just over 3k built in 2018 (over land) so maybe?
Quick google says it should be feasible. London to DC is about 5k km. Longest UHV DC seems to be just over 3k built in 2018 (over land) so maybe?