journey, trip, tour, travel 和 voyage 都有旅游的意思，用法上有一些差别：

※ journey指从一地到另一地，通常指陆地上的长时间、远距离“旅行”，有目的地的旅行。

I took a journey from Beijing to Shanghai last year.

※ trip 一般指时间短、距离近的“旅行、远足”

We made a boat trip to the island last week and had a good time.

※ tour（周游各地的）参观、访问、（巡回）旅游。

I will go on a ten-city tour. 我将去10座城市旅游。

He is in the US on a speaking tour. 他正在美国作巡回演讲。

※ travel泛指“旅行、旅游”这一总的概念。或指长时间、远距离的、无目的地的“旅行”。

At present, many people are fond of travel in their spare time.

They came home after years of foreign travel.

※ voyage主要指远距离的水上旅行，意思为“航海”等。

She usually gets seasick during the voyage.