This study examined the differences between interpersonal relationship of same-sex old friends (OF) and that of new friends (NF). It also investigated the effects of physical distance with an old friend and gender on the friendship. Respondents were 208 undergraduates, 86 men and 122 women, who chose one of most intimate person each from same-sex friends they had made before and after they entered a university, and answered questions to describe their relationship. Results showed that relationship satisfaction and tired feeling were higher for OF than NF. Spending time together and talking over telephone were more frequent for NF than OF, but for each occasion together or over telephone, OF spent longer time than NF. OF expected more self-disclosure between them than NF. Gender differences in friendship expectation were similar to previous findings (Wada, 1993, 1996). Furthermore, gender and physical distance both influenced the frequencies of OF spending time together and over telephone. These findings are discussed in terms of gender differences in friendship.