The driving distance between Kansas City, MO and Washington, DC is approximately 1080 miles. The driving time would be approximately 18 hours 15 minutes if you were to travel non-stop in good driving conditions. (The driving time does not take into consideration conditions which may extend trip time such as weather, road work, border crossings and rush hour traffic in urban areas.)
2 hours
about 3 to 3 and a half depending on where you are going and how fast you drive
If it is Kansas City, Missouri, then from about 12 and a half to 15 and a half hours.
About 1,100 miles.
45 min.
1,370 miles
8 hours
5 hours
19 hours.
5 hours
11 hours
It is 1,841.80 miles according to MapQuest.