Eleanor was travelling from City F to City G at a uniform speed. She drove past Rachel who was travelling at a uniform speed of $84 \text{km/h}$ in the opposite direction. One and a half hours later, Eleanor reached City G while Rachel was still $39 \text{km}$ away from City F. If Eleanor took $4$ hours to travel from City F to City G, what was the distance between the two cities? 
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