| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Kaehwa-dong | city | Seoul | Korea, Republic of (South) | 37.58 | 126.80 | 193 | 540716 |
| Kaehwa-ri | city | Seoul | Korea, Republic of (South) | 37.58 | 126.80 | 193 | 540716 |
| Kallibong-ni | city | Seoul | Korea, Republic of (South) | 37.48 | 126.90 | 82 | 1600271 |
| Kan-yō-jō | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Karaeul | city | Seoul | Korea, Republic of (South) | 37.58 | 127.17 | 59 | 592600 |
| Karak-tong | city | Seoul | Korea, Republic of (South) | 37.50 | 127.12 | 75 | 1620275 |
| Karang-ni | city | Seoul | Korea, Republic of (South) | 37.50 | 127.12 | 75 | 1620275 |
| Karibong-ni | city | Seoul | Korea, Republic of (South) | 37.48 | 126.90 | 82 | 1600271 |
| Karigong | city | Seoul | Korea, Republic of (South) | 37.48 | 126.90 | 82 | 1600271 |
| Keijo | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Keizyoe | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Kenson | city | Seoul | Korea, Republic of (South) | 37.62 | 127.05 | 72 | 1880443 |
| Keundongne | city | Seoul | Korea, Republic of (South) | 33.48 | 126.37 | 104 | 7809 |
| Kijach'on | city | Seoul | Korea, Republic of (South) | 37.63 | 126.93 | 374 | 736577 |
| Kijach’on | city | Seoul | Korea, Republic of (South) | 37.63 | 126.93 | 374 | 736577 |
| Kil-tong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.14 | 91 | 1493950 |
| Kiung | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Kkotdari | city | Seoul | Korea, Republic of (South) | 37.55 | 126.79 | 36 | 1001346 |
| Koch'ok-tong | city | Seoul | Korea, Republic of (South) | 37.51 | 126.86 | 32 | 1536347 |
| Koch’ŏk-tong | city | Seoul | Korea, Republic of (South) | 37.51 | 126.86 | 32 | 1536347 |
| Kodŏk-tong | city | Seoul | Korea, Republic of (South) | 37.56 | 127.16 | 101 | 832966 |
| Kongnŭng-dong | city | Seoul | Korea, Republic of (South) | 37.64 | 127.09 | 104 | 1370404 |
| Kugi-dong | city | Seoul | Korea, Republic of (South) | 37.62 | 126.96 | 830 | 933147 |
| Kung-dong | city | Seoul | Korea, Republic of (South) | 37.50 | 126.83 | 88 | 1494911 |
| Kung-dong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.93 | 137 | 1402366 |
| Kung-mal | city | Seoul | Korea, Republic of (South) | 37.49 | 127.10 | 104 | 1636738 |
| Kup'abal | city | Seoul | Korea, Republic of (South) | 37.63 | 126.92 | 137 | 666641 |
| Kup'abal-li | city | Seoul | Korea, Republic of (South) | 37.63 | 126.92 | 137 | 666641 |
| Kup’abal | city | Seoul | Korea, Republic of (South) | 37.63 | 126.92 | 137 | 666641 |
| Kup’abal-li | city | Seoul | Korea, Republic of (South) | 37.63 | 126.92 | 137 | 666641 |
| Kuŭi-dong | city | Seoul | Korea, Republic of (South) | 37.54 | 127.09 | 65 | 1845874 |
| Kwahae-dong | city | Seoul | Korea, Republic of (South) | 37.57 | 126.79 | 65 | 661064 |
| Kwangsong-ni | city | Seoul | Korea, Republic of (South) | 37.64 | 127.09 | 232 | 1241581 |
| Kye-dong | city | Seoul | Korea, Republic of (South) | 37.58 | 126.98 | 173 | 1352112 |
| Kye-ri | city | Seoul | Korea, Republic of (South) | 37.46 | 127.05 | 164 | 1038604 |
| Kyŏngsŏng | city | Seoul | Korea, Republic of (South) | 37.60 | 126.98 | 830 | 1303228 |
| Kŏnnŏ-mal | city | Seoul | Korea, Republic of (South) | 37.47 | 127.11 | 82 | 1390261 |
| Kŏsaiga-ri | city | Seoul | Korea, Republic of (South) | 37.59 | 126.93 | 209 | 1238557 |
| Kŏyŏ-dong | city | Seoul | Korea, Republic of (South) | 37.50 | 127.15 | 160 | 1319179 |
| Kŭmho-dong | city | Seoul | Korea, Republic of (South) | 37.55 | 127.02 | 45 | 1344467 |