等距

例句：

1. 1. The two cities are separated by a distance of 500 kilometers.
   这两个城市相距500公里。
2. 2. The train departs at the scheduled time, so there is an interval between the departure and arrival.
   火车按计划时间出发，因此出发和到达之间有一个间隔。
3. 3. During the construction, there was a gap in the road that required temporary traffic control.
   在施工期间，道路出现了一个间隙，需要临时交通管制。