Vasco da Gama Bridge, Portugal - 56,381 feet: Lisbon's Vasco da Gama Bridge is the longest in Europe, spanning a total distance of 10.7 miles. Taking three years to complete, the bridge opened for traffic in 1998 to celebrate the 500th anniversary of Vasco da Gama's discovery of the maritime route from Europe to India.
A type of wave that can travel through empty space as well as through matter is electromagnetic wave.
Any sound waves use a medium to travel along (on Earth the medium is Air, Water or any Solid. A Vacuum, like Space, does not contain any particles; therefore sound waves have no medium through which to travel and thus Sound will NOT Travel (or be heard).