Can the wormholes be used whilst going from the north to the south and if so do these routes count as wormholes or not. Since they are not used as wormholes whilst going from the north to the south.
You can indeed use the connections drawn in bold on your way from the North Pole to the South Pole. The travel times, however, are positive in this case and they do not count as wormholes. Only on your way back you can use these connections as wormholes with negative travel time.