Travel from London, United Kingdom to Cardiff, Alabama, USA
Air
- Companies: British Airways, American Airlines
 - Duration: Approximately 14 hours (including layover)
 - Distance: 7,500 kilometers
 - Costs: Approximately €800 - €1,200 for roundtrip tickets
 - Roads/Routes: Not applicable
 
Pro Tip:  Book your ticket in advance and consider using connecting flights through major hubs like New York or Atlanta for potentially lower fares.
Ground Transport (Alternative option)
- Companies: National Express, Megabus (from London to Birmingham, then Amtrak to Montgomery)
 - Duration: Approximately 16 hours (Bus and Train combined)
 - Distance: 1,200 kilometers (Bus) + 250 kilometers (Train)
 - Costs: Approximately €60 for the bus and €100 for the train
 - Roads/Routes: M1, M6 for bus and I-65 for the train route
 
Pro Tip: Keep snacks and entertainment handy for the lengthy bus ride, as bus amenities can vary greatly.
  Recommendation
The most practical way to travel from London to Cardiff is to take a flight, given the distance and time constraints. While road travel presents a more scenic route, it requires significantly more time. If traveling during peak seasons, consider booking your flight well in advance to secure better rates and availability.