Ah, an exciting travel request! If you're looking to travel from South Wales in the United Kingdom to New South Wales in Australia without flying, here are a few options:1. Train and Ferry: Start by taking a train from South Wales in the UK to Holyhead in North Wales. From Holyhead, catch a ferry to Dublin, Ireland. Once in Dublin, you can catch another ferry to either Cherbourg or Roscoff in France. From there, you can travel by train to Paris and then take the Eurostar train to London. Once in London, you can travel by train to Dover and catch a ferry to Calais, France. From Calais, you can travel through continental Europe to reach a location from where you can book a cruise ship to Australia.2. Train and Cruise: Begin by taking a train from South Wales in the UK to London. From there, you can travel to Southampton, where you can board a cruise ship. Numerous cruise lines offer world cruises or transatlantic cruises that pass through the Suez Canal or Panama Canal to reach Australia. This option provides a unique and leisurely way to travel while enjoying the amenities and activities on board.Both of these options will take some time, and it's essential to plan for multiple connections and various transportation modes. Make sure to check visa requirements and travel advisories for each country you plan to visit along the way. It's always a good idea to consult with a travel agent or use online resources to help with logistics and finding the best routes for your specific preferences and requirements. Bon voyage on your epic journey from South Wales to New South Wales!