Research the individual conferences. UAA, which includes Univ Chicago, Emory, Brandeis, NYU, Wash U, involves a lot more travel. California, Texas and PNW schools are generally known to have longer travel because there isn’t the same density of schools as found in, for ex., Centennial, Liberty or NCAC.
End of regular season is typically late Oct/1st week Nov, followed by conference tournament and then the national tournament. If a team doesn’t make it to the conference tournament, its season ends with the last regular match.
You might read up on D3 mens soccer over on the d3soccer boards – which has message boards on each conference, on recruiting etc.