| Name | What | Region | Country | Lat | Long | Elev ft. | Pop est |
|---|---|---|---|---|---|---|---|
| Kagachi | city | Oita | Japan | 33.66 | 131.52 | 59 | 5069 |
| Kakaji | city | Oita | Japan | 33.66 | 131.52 | 59 | 5069 |
| Kakazi | city | Oita | Japan | 33.66 | 131.52 | 59 | 5069 |
| Kaki-kawachi | city | Oita | Japan | 32.98 | 131.75 | 1669 | 4515 |
| Kakigawachi | city | Oita | Japan | 32.98 | 131.75 | 1669 | 4515 |
| Kamae | city | Oita | Japan | 32.80 | 131.93 | 830 | 5155 |
| Kamae-hatanoura | city | Oita | Japan | 32.86 | 131.95 | 36 | 9455 |
| Kamae-nonokawarauchi | city | Oita | Japan | 32.81 | 131.89 | 9 | 6973 |
| Kamaeura | city | Oita | Japan | 32.80 | 131.93 | 830 | 5155 |
| Kamegawa | city | Oita | Japan | 33.33 | 131.49 | 104 | 59475 |
| Kami-era | city | Oita | Japan | 33.38 | 131.28 | 830 | 4247 |
| Kami-ochidani | city | Oita | Japan | 33.00 | 131.72 | 830 | 6666 |
| Kami-ochitani | city | Oita | Japan | 33.00 | 131.72 | 830 | 6666 |
| Kami-tsutsura | city | Oita | Japan | 33.24 | 131.32 | 1669 | 7487 |
| Kami-tsuzura | city | Oita | Japan | 33.24 | 131.32 | 1669 | 7487 |
| Kamiotome | city | Oita | Japan | 33.56 | 131.34 | 82 | 29041 |
| Kamitsuemachi-kawabaru | city | Oita | Japan | 33.11 | 130.97 | 1669 | 2664 |
| Kamitsuzura | city | Oita | Japan | 33.24 | 131.32 | 1669 | 7487 |
| Kamiura | city | Oita | Japan | 33.20 | 131.86 | 3 | 8409 |
| Kamiura-azamuiura | city | Oita | Japan | 33.04 | 131.92 | 3 | 14611 |
| Kanayama | city | Oita | Japan | 33.47 | 131.50 | 830 | 1990 |
| Kashiranari | city | Oita | Japan | 33.37 | 131.50 | 45 | 31545 |
| Katsura | city | Oita | Japan | 32.98 | 131.90 | 0 | 31059 |
| Katura | city | Oita | Japan | 32.98 | 131.90 | 0 | 31059 |
| Kazura | city | Oita | Japan | 32.98 | 131.90 | 0 | 31059 |
| Kemegawa-chuomachi | city | Oita | Japan | 33.33 | 131.49 | 104 | 59475 |
| Kikumoto | city | Oita | Japan | 33.42 | 131.62 | 3 | 22928 |
| Kinzan | city | Oita | Japan | 33.13 | 130.88 | 1669 | 2464 |
| Kinzan | city | Oita | Japan | 33.47 | 131.50 | 830 | 1990 |
| Kitsuki | city | Oita | Japan | 33.42 | 131.62 | 3 | 22928 |
| Kiurakōzan | city | Oita | Japan | 32.82 | 131.55 | 1968 | 1877 |
| Koguribayashi | city | Oita | Japan | 33.22 | 131.01 | 1669 | 6547 |
| Koharu | city | Oita | Japan | 32.90 | 131.45 | 1669 | 4964 |
| Kokuribayashi | city | Oita | Japan | 33.22 | 131.01 | 1669 | 6547 |
| Kosako | city | Oita | Japan | 33.37 | 131.08 | 1669 | 2013 |
| Koyahara | city | Oita | Japan | 33.50 | 131.03 | 1669 | 7622 |
| Koyanoharu | city | Oita | Japan | 33.50 | 131.03 | 1669 | 7622 |
| Kujumachi-kuju | city | Oita | Japan | 33.07 | 131.22 | 3385 | 3549 |
| Kujuno | city | Oita | Japan | 32.88 | 131.32 | 1669 | 3368 |
| Kujuno | city | Oita | Japan | 32.88 | 131.32 | 1669 | 3368 |
| Kujū | city | Oita | Japan | 33.07 | 131.22 | 3385 | 3549 |
| Kujūmachi-butsubaru | city | Oita | Japan | 33.07 | 131.34 | 1669 | 3915 |
| Kunimimachi-akane | city | Oita | Japan | 33.60 | 131.58 | 830 | 9033 |
| Kunimimachi-imi | city | Oita | Japan | 33.68 | 131.60 | 36 | 4511 |
| Kunimimachi-saihoji | city | Oita | Japan | 33.63 | 131.57 | 830 | 8827 |
| Kunimimachi-taketazu | city | Oita | Japan | 33.67 | 131.56 | 180 | 5672 |
| Kunisakimachi-hama | city | Oita | Japan | 33.63 | 131.68 | 255 | 6322 |
| Kunisakimachi-higashikataku | city | Oita | Japan | 33.62 | 131.69 | 164 | 8331 |
| Kunisakimachi-jiromaru | city | Oita | Japan | 33.54 | 131.72 | 236 | 10136 |
| Kunisakimachi-tabuka | city | Oita | Japan | 33.57 | 131.73 | 3 | 6389 |
| Kunisakimachi-tomikuura | city | Oita | Japan | 33.60 | 131.71 | 39 | 7407 |
| Kunisakimachi-tsurugawa | city | Oita | Japan | 33.56 | 131.73 | 13 | 6813 |
| Kunizaki | city | Oita | Japan | 33.56 | 131.73 | 13 | 6813 |
| Kusu | city | Oita | Japan | 33.28 | 131.16 | 1213 | 20268 |
| Kuwaya | city | Oita | Japan | 33.23 | 131.32 | 1669 | 7401 |
| Kuwaya | city | Oita | Japan | 33.24 | 131.32 | 1669 | 7487 |
| Kyūbu | city | Oita | Japan | 32.88 | 131.53 | 1190 | 7079 |