Distance is gauged by journey time rather than miles.距离以行程时间而非英里数来计算。Approximate journey time to London is four hours.去伦敦的行程大约是四小时。Bad weather could add another hour to your journey time.天气不好可能会使旅行时间延长一个小时。The journey time to London is approximately four hours.到伦敦的旅程大约为四小时。