Long-distance is used to describe travel between places that are far apart.
Trains are reliable, cheap and best for long-distance travel.
乘火车安全可靠、费用便宜,最适合长途旅行。
Long-distance is used to describe communication that takes place between people who are far apart.
He received a long-distance phone call from his girlfriend in Colorado.
他接到女朋友从科罗拉多州打来的长途电话。