Most of the trek into Tashi labsa passes 5755 m into Khumbu. It is batter to cross Tashi Labsa from Khumbu side. Rolwaling and Tashi labsa are technically used to foreigner. However if you obtain a climbing permit foe Ramsung one of the trek peaks in immigration office will issue you a trekking permit.
Day 1: Kathmandu to Charikot by local bus 8 hrs. Camp overnight at Dolakha.
Day 2: Dolakha to Biguti 7hrs.
Day 3: Biguti to Suridhoban 6hrs.
Day 4: Suridhoban to Jagat 6hrs.
Day 5: Jagat to Simigoon 6hrs.
Day 6: Simigoon rest day for acclimatization.
Day 7: Simigoon to Sapka 5hrs.
Day 8: Sapka to Manebug kharka 6hrs.
Day 9: Manebug kharka to Nyimore 6hrs.
Day 10: Nyimore to Dokoare 6hrs.
Day 11: Dokoare to Na Besi 6hrs.
Day 12: Na besi to Chobu.
Day 13: Chobu to Parcharmo 7hrs.
Day 14: Parcharmo rest day for acclimatization.
Day 15: Parcharmo to Tashi Lapcha pass than camp at Comps 7hrs.
Day 16: Comps to Thame 6hrs.
Day 17: Thame to Khumjung 5hrs.
Day 18: Khumjung to Dole 6hrs.
Day 19: Dole to Phanga 6hrs.
Day 20: Phanga to Gokyo 4hrs.
Day 21: Gokyo to Gonglha 4hrs.
Day 22: Gonglha to Chola pass than overnight at Dzonglha 7hrs.
Day 23: Dzonglha to Labuche 2hrs.
Day 24: Labuche to Khongma-La Besi 5hrs.
Day 25: Khongama-La besi to Chukung 6hrs.
Day 26: Chukung to Tengboche 6hrs.
Day 27: Tengboche to Namche 5hrs.
Day 28: Namche to Lukla 6hrs.
Day 29: Lukla to Kathmandu by Plane 30 minutes.
Also see tour packages in:
Asia Nepal Outdoor: Land Rambler Hiking & Trekking