The distance from Tokyo to Kyoto is about 500 kilometers.
マラソンの最終行程に入った。
We entered the final leg of the marathon.
A planned route or timetable for a journey. Often used in travel contexts.
旅行の行程を確認してください。
Please check the travel itinerary.
Technical use in mechanics and engineering: the stroke of a piston or the throw of a switch.
このエンジンの行程は長い。
This engine has a long stroke.
The route to Kyoto is quite long.
The travel agency put together the itinerary for us.
This leg of the trip was shorter than I expected.
We toured Shikoku on a five-day itinerary.
行程 refers to the route or distance of a journey, whereas 日程 refers to the timing and order of planned events.