Even if wormholes were real, and even if we could manipulate matter with negative energy density (which doesn't exist) on the order of many times the mass of th

Even if wormholes were real, and even if we could manipulate matter with negative energy density (which doesn't exist) on the order of many times the mass of the sun (which is needed for wormholes), constructing one that spans from A to B would take longer than light travels from A to B.