the aim of this research is to determine the competitive advantage using marketing approach of onlinebased public transportation. Marketing approach used in this research is a service marketing mix that includes product, price, promotion, place, people, process, and physical evidence. The method used in this research was comparative analysis using parametric analysis, independent sample t-test. Sampling method used in this research was random sampling through the distribution of a series of questionnaires to 200 online-based public transportation customers as a case study. This research investigated means the difference of competitive advantage between online-based public transports using marketing approach strategy. The result shows that there is a significant difference on four competitive advantage factors on onlinebased public transportation. Nevertheless, competitive advantage could be a factor that can determine the long-term success of online-based service company, especially onlinebased public transportation sector. The finding of this research contributes to encourage online-based service company to develop their competitive advantage to compete with others. By applying the appropriate marketing strategy, it is expected that the company can added value for the products/services offered to the public so they can achieve competitive advantage and win competition in the market.