The driving length from Seoul to Ilsan is about 379 kilometers. With regards to the route taken and traffic disorders, it will require about 4 hrs and 6 minutes to travel from Seoul to Ilsan. It should be noted that this estimation is issue to change based on many components, https://https-wowmobilepin-com22108.webbuzzfeed.com/34432863/ilsan-city-일산명월관-no-further-a-mystery