Portugal, Spain and Sweden are leading the way in the gradual phasing out of copper networks in Europe. This is shown in a study by the FTTH Council Europe.
Fiber is also used to replace copper cable for LAN backbones. An optical fiber is constructed of a transparent core made of nearly pure silicon dioxide (SiO2), through which the light travels.
If you want to go high bandwidth, fiber optics is the way to go. From trans-oceanic cables to the yet-unseen ‘fiber to every home,’ fiber optics allows a lot more bandwidth than a copper cable.
and other data is being sent between continents over fiber-optic cables today, so the distance thing is no sweat for this technology. The cabling is also vastly easier to deal with than copper ...