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Galya 30 Rishon LeZion
Rishon LeZion is large enough that staying inside the city can still produce a varied local search. Its residential areas, newer neighborhoods and coastal side also mean that convenience inside Rishon itself may matter before you even add another city.
Holon, Bat Yam and Tel Aviv are reasonable additions when those routes already fit your week. On 2Date you can browse profiles and start talking before deciding whether expanding the search is actually useful.