When you click on Withdrawal in Paypal, it will tell you how many days it will take. For me in Singapore, it takes about 5 working days
1 G6305 train, departing at 09:00 and arriving at 09:30, 30 minutes' duration, from Guangzhou South Railway Station to Shenzhen North Railway Station.  You are recommended to choose a train for which you can arrive at the train station 2 hours before its departure.
Train to Busan KTX Station. High-speed KTX trains are a fast and comfortable way to travel to Busan. Travel time is approximately 2-1/2 hours. A limited number of KTX trains run directly from Incheon Airport to Busan. Service from Seoul Station in Central Seoul to Busan is more frequent and may be more convenient.