Designing a portal that transports people from any part of the world to another in an instant is an ambitious goal that requires a deep understanding of various technologies and their implications. To achieve this, we would need to leverage advanced technologies such as Artificial Intelligence, Augmented Reality, and Quantum Computing. These technologies would enable us to create a system that can quickly analyze and interpret the user's destination and current location, and then use the information to transport them instantly. The portal's user interface would need to be intuitive and easy to use, allowing users to input their destination and then provide them with an instant transport option. The portal would also need to provide real-time updates to users on their transport status, including arrival times, traffic conditions, and other relevant information. To ensure the portal's success, we would need to conduct extensive user research to understand what features users would find most valuable and what user concerns they may have. We would also need to consider regulatory and legal issues, such as international travel restrictions, and develop solutions that meet all applicable laws and regulations. Overall, designing a portal to transport people instantly across the world would be a complex and challenging task. Still, with careful planning and execution, it could revolutionize the way people travel and dramatically improve our global transportation infrastructure.