Complex sentence: Both the runway and the taxiway will be extended by 1,150m, 1,000m out into the sea, resulting in a runway that will have a total length of 3,440m with an extra safety distance of 150m.
Split into simpler sentences: Both the runway and the taxiway will be extended by 1,150m, 1,000m into the sea. The runway will have a total length of 3,440m with an extra safety distance of 150m.