Complex sentence: Gatuna (Katuna) is located on the Ugandan border with Rwanda, in extreme southwestern Uganda, approximately, by road, southwest of Kampala, Uganda's capital city and approximately, by road, south of Kabale, the largest city in the sub-region.
Split into simpler sentences: Gatuna (Katuna) is located on the Ugandan border with Rwanda, in extreme southwestern Uganda. This location is approximately, by road, south of Kabale, the largest city in the sub-region.