Coal County, Oklahoma. Coal County is a county located in the U.S. state of Oklahoma. As of the 2010 census, the population was 5,925. Its county seat is Coalgate.
The average amount of time it would take to reach Mars is 162 days, but the reality is different because the craft cannot pass through the sun. Accurate times require knowledge of fuel requirements and complex gravitational equations.
The problem with distance is the time that it takes. The more time it takes the more stuff you need to take with you. A trip to the moon takes about 3 days. A trip to Mars with conventional rockets takes about 6 months (one way). Aside from the massive amount of supplies you need to take for a long trip, there is the issue of radiation.