Oga-myeon, Yesan-gun (5,246)
Roads
- Guksabong-ro (175)
- Naeryanggullyang-gil (70)
- Naeryang-gil (204)
- Naeryangan-gil (74)
- Naeyangmak-gil (191)
- Dangjin Yeongdeok Expressway (1)
- Duribyeolli-gil (3)
- Muhancheonjajeongeo-gil (1)
- Bunanaean-gil (60)
- Buncheon-gil (117)
- Buncheonnambu-gil (61)
- Buncheonbuk-gil (89)
- Buncheonan-gil (66)
- Seongni-gil (1)
- Songseogwolgok-gil (11)
- Sinseok-gil (174)
- Sinwon-gil (118)
- Sinwonan-gil (58)
- Sinwontanjung-gil (23)
- Sinjang-gil (65)
- Sinjangan-gil (63)
- Sinjangwonpyeong-gil (119)
- Yeongmal 1-gil (96)
- Yeongmal 2-gil (72)
- Yeongmal-ro (95)
- Yeoktabwoncheon-gil (71)
- Yeoktaphanbat-gil (18)
- Yesansaneopdanji-ro (59)
- Oganong-ro 1-gil (4)
- Oganong-ro 2-gil (1)
- Ogajungang-ro (183)
- Osan 2-gil (2)
- Osin-ro (288)
- Ochonnogya-gil (33)
- Ochonbangjugan-gil (32)
- Ochonasin-gil (44)
- Ochonosan-gil (10)
- Ochonjungang-gil (91)
- Ochonhwacheon-gil (86)
- Woncheon-gil (54)
- Woncheonnam-gil (49)
- Woncheonochon-gil (272)
- Woncheonoecheon-gil (93)
- Woncheonjeonjuk-gil (148)
- Wonpyeong 1-gil (195)
- Wonpyeong 2-gil (67)
- Wonpyeong 3-gil (132)
- Wonpyeongdong-gil (31)
- Wolgok 1-gil (94)
- Wolgok 2-gil (45)
- Yunbonggil-ro (166)
- Jwabang-gil (72)
- Jwabangan-gil (66)
- Jwabunyangmak-ro (302)
- Chungseo-ro (217)
- Tammal 1-gil (35)
- Tammal 2-gil (70)
- Tammal 3-gil (31)
- Hwanggeumtteul-ro (175)
- Hyorimsongseok-gil (3)