An overland journey is made across land rather than by ship or aeroplane.
例句
...an overland journey through Iraq, Turkey, Iran and Pakistan...途径伊拉克、土耳其、伊朗和巴基斯坦的陆路旅程The overland route is across some really tough mountains...这条陆上路线要跨越一些非常险峻的大山。
英汉词典释义
adj.
经由陆路的, 横跨大陆的
Overland trucks carry food to market.横越大陆的卡车把食品运往市场。
英英词典释义
Adjective
1. traveling or passing over land;
"an overland journey""the overland route used by Marco Polo"