1
distance;journey;itinerary
そこまでだいぶ道のりがあります。
You have to walk a long way to get there.
2
path (e.g. to one's goal);way;process;route;road
近代医学の進歩は長い道程を歩んだ。
The advancement of modern medicine was a long process.
Other forms
道程 【みちのり】