Onsan-eup, Ulju-gun (8,503)
Roads
- Gangyang 1-gil (37)
- Gangyang 2-gil (29)
- Gangyang 3-gil (32)
- Gangyang-gil (161)
- Gaeun-ro (3)
- Geonam 1-gil (70)
- Geonam 2-gil (49)
- Geonam 3-gil (37)
- Gongdan-ro (204)
- Guteo-gil (27)
- Namchang-ro (1)
- Naedong 1-gil (24)
- Naedong 2-gil (11)
- Naedong 3-gil (13)
- Naehoe 1-gil (6)
- Naehoe-gil (104)
- Dangmok-gil (37)
- Dangwol-ro (348)
- Daejeong-ro (111)
- Deongnam-ro (91)
- Deokdong 1-gil (28)
- Deokdong-gil (44)
- Deongmang-ro (110)
- Deoksin 1-gil (44)
- Deoksin 2-gil (44)
- Deoksin 3-gil (44)
- Deoksin 4-gil (42)
- Deoksin 5-gil (37)
- Deoksin-ro (218)
- Deoksinoe-ro (17)
- Myeongbong 1-gil (24)
- Myeongbong 2-gil (22)
- Myeongbong 3-gil (15)
- Myeongbong 4-gil (14)
- Myeongbonggeonam-ro (190)
- Sannam-gil (59)
- Sanseong-gil (103)
- Sanam-ro (430)
- Sampyeong-gil (191)
- Sanghoe 1-gil (32)
- Sanghoe 2-gil (38)
- Sanghoe 3-gil (22)
- Seoyeongnam 1-gil (52)
- Seoyeongnam 2-gil (68)
- Seoyeongnam 3-gil (60)
- Seoyeongnam 4-gil (40)
- Seoyeongnam 5-gil (16)
- Seoyeongnam-gil (27)
- Seokdang-gil (159)
- Singyeong 10-gil (7)
- Singyeong 1-gil (75)
- Singyeong 2-gil (61)
- Singyeong 3-gil (69)
- Singyeong 4-gil (13)
- Singyeong 5-gil (86)
- Singyeong 6-gil (8)
- Singyeong 7-gil (24)
- Singyeong 8-gil (15)
- Singyeong 9-gil (12)
- Singyeong-gil (38)
- Sinon 1-gil (40)
- Sinon 2-gil (46)
- Sinon 3-gil (40)
- Sinon 4-gil (37)
- Sinon 5-gil (119)
- Sinon 6-gil (57)
- Sinon 7-gil (94)
- Sinon 8-gil (86)
- Sinon 9-gil (39)
- Yeonja-ro (31)
- Yeongnam 1-gil (19)
- Yeongnam 2-gil (14)
- Yeongnam 3-gil (14)
- Yeongnam 4-gil (81)
- Yeongnam 5-gil (74)
- Yeongnam 6-gil (41)
- Yeongnam 7-gil (68)
- Yeongnam 8-gil (16)
- Yeongnam-gil (29)
- Osan 1-gil (34)
- Osan 2-gil (25)
- Osan-gil (45)
- Ondeok 1-gil (41)
- Ondeok 2-gil (67)
- Ondeok 3-gil (58)
- Ondeok 4-gil (44)
- Ondeok 5-gil (15)
- Ondeok 6-gil (9)
- Ondeok 7-gil (15)
- Onsan-ro (663)
- Oehwang-ro (1)
- Yongbangso 10-gil (35)
- Yongbangso 1-gil (10)
- Yongbangso 2-gil (25)
- Yongbangso 3-gil (25)
- Yongbangso 4-gil (21)
- Yongbangso 5-gil (19)
- Yongbangso 6-gil (16)
- Yongbangso 7-gil (14)
- Yongbangso 8-gil (41)
- Yongbangso 9-gil (48)
- Yongbangso-gil (34)
- Ubonggangyang-ro (111)
- Ubongijin-ro (17)
- Ulbeol-gil (30)
- Wonbong-ro (100)
- Wonsan-ro (68)
- Wonsinon 1-gil (24)
- Wonsinon 2-gil (25)
- Wonsinon 3-gil (33)
- Wonsinon-gil (22)
- Ijin-ro (738)
- Jonggok 1-gil (47)
- Jonggok-gil (33)
- Jongdong 1-gil (13)
- Jongdong 2-gil (10)
- Jongdong-gil (128)
- Cheoyongsaneop 1-gil (43)
- Cheoyongsaneop 2-gil (52)
- Cheoyongsaneop 3-gil (25)
- Cheoyongsaneop-ro (35)
- Hahoe 1-gil (44)
- Hahoe 2-gil (41)
- Haemaji-ro (43)
- Hwasan 1-gil (168)
- Hwasan 2-gil (66)
- Hwasan 3-gil (52)
- Hwasan-ro (134)
- Hoehak 1-gil (50)
- Hoehak 2-gil (19)
- Hoehak 3-gil (89)