Distance Finder Program

http://www.wrestlefury.com/DataFiles.zip

The zip file contains a map, a spread sheet of distances between these towns and two files of data extracted from the spread sheet. The extracted data is a list of the towns and a table of distances. Both these files have the number of entries in the file on the first line. Click the following link to see a picture of the program:

http://www.wrestlefury.com/distancefinder.jpg

I was wondering if anyone can help with the coding, im a beginner and i think this is hard. I've created the Interface, just need to do the code. Any code or hints will be very appreciated.

The way the data is stored in the spreadsheet should give you a hint.
Fill a 2d array with the distances.
int[,] distances

public enum Towns
{
Cardiff,
Darby,
Leeds
}

int distance = distances[(int)Towns.Cardiff,(int)Towns.Darby];