From Adelaide, Singapore Airlines operates a direct service to Singapore.
All other destinations from Adelaide are reached with at least one stop via Singapore Changi Airport. This includes North Asia (Xiamen, Taipei, Shenzhen, Beijing, Nagoya, Tokyo, Shanghai, Hong Kong, Seoul, Fukuoka), Southeast Asia (Surabaya, Ho Chi Minh City, Penang, Bangkok, Bandar Seri Begawan, Jakarta, Denpasar Bali, Kuala Lumpur, Manila, Da Nang, Hanoi), West Asia and Africa (Riyadh, Mumbai, Cape Town, Dhaka, Male, Kochi, Hyderabad, Dubai, Kathmandu, Delhi), the Americas (Seattle, Los Angeles, New York), and Europe (Manchester, London, Frankfurt, Rome, Istanbul). Some journeys, such as to Cape Town, may involve an additional stop beyond Singapore, as indicated in your itinerary.