Six pairs of cities in bomb.com multi-destiation search (Sat-Mon). Good luck.
See this thread for more details: http://www.flyertalk.com/forum/milea...iad-690-a.html

Here is an example for Nov. 15-17.

Sat., Nov. 15, 2014 | Chicago, IL (ORD - O'Hare) to Houston, TX (IAH - Intercontinental)
Depart:
12:50 p.m.
Sat., Nov. 15, 2014
Chicago, IL (ORD - O'Hare)

Arrive:
3:37 p.m.
Sat., Nov. 15, 2014
Houston, TX (IAH - Intercontinental)
Travel Time:
2 hr 47 mn
Distance:
925 miles
Flight:UA1731
Aircraft: Boeing 737-700
Fare Class: United Economy (K)
Meal: Snacks for Purchase
No Special Meal Offered.
Sat., Nov. 15, 2014 | Houston, TX (IAH - Intercontinental) to Kuwait City, Kuwait (KWI)
Depart:
5:09 p.m.
Sat., Nov. 15, 2014
Houston, TX (IAH - Intercontinental)

Arrive:
9:09 p.m.
Sat., Nov. 15, 2014
Washington, DC (IAD - Dulles)
Flight Time:
3 hr 0 mn
Distance:
1,190 miles
Flight:UA1478
Aircraft: Boeing 737-800
Fare Class: United Economy (K)
Meal: Meals for Purchase
No Special Meal Offered.
Change Planes. Connect time in Washington, DC (IAD - Dulles) is 46 minutes.
Depart:
9:55 p.m.
Sat., Nov. 15, 2014
Washington, DC (IAD - Dulles)

Arrive:
5:55 p.m. +1 Day
Sun., Nov. 16, 2014
Kuwait City, Kuwait (KWI)
Flight Time:
12 hr 0 mn

Travel Time:
15 hr 46 mn
Distance:
6,575 miles
Total Distance:
7,765 miles
Flight: UA982
Aircraft: Boeing 777-200
Fare Class: United Economy (K)
Meal: Dinner
Sun., Nov. 16, 2014 | Kuwait City, Kuwait (KWI) to Manama City, Bahrain (BAH)
Depart:
7:15 p.m.
Sun., Nov. 16, 2014
Kuwait City, Kuwait (KWI)

Arrive:
8:25 p.m.
Sun., Nov. 16, 2014
Manama City, Bahrain (BAH)
Travel Time:
1 hr 10 mn
Distance:
261 miles
Flight:UA982
Aircraft: Boeing 777-200
Fare Class: United Economy (K)
Meal: Snack
Sun., Nov. 16, 2014 | Manama City, Bahrain (BAH) to Kuwait City, Kuwait (KWI)
Depart:
10:00 p.m.
Sun., Nov. 16, 2014
Manama City, Bahrain (BAH)

Arrive:
11:10 p.m.
Sun., Nov. 16, 2014
Kuwait City, Kuwait (KWI)
Travel Time:
1 hr 10 mn
Distance:
261 miles
Flight:UA981
Aircraft: Boeing 777-200
Fare Class: United Economy (K)
Meal: Snack
Mon., Nov. 17, 2014 | Kuwait City, Kuwait (KWI) to Houston, TX (IAH - Intercontinental)
Depart:
12:55 a.m.
Mon., Nov. 17, 2014
Kuwait City, Kuwait (KWI)

Arrive:
6:35 a.m.
Mon., Nov. 17, 2014
Washington, DC (IAD - Dulles)
Flight Time:
13 hr 40 mn
Distance:
6,575 miles
Flight:UA981
Aircraft: Boeing 777-200
Fare Class: United Economy (K)
Meal: Dinner
Change Planes. Connect time in Washington, DC (IAD - Dulles) is 1 hour 40 minutes.
Depart:
8:15 a.m.
Mon., Nov. 17, 2014
Washington, DC (IAD - Dulles)

Arrive:
10:40 a.m.
Mon., Nov. 17, 2014
Houston, TX (IAH - Intercontinental)
Flight Time:
3 hr 25 mn

Travel Time:
18 hr 45 mn
Distance:
1,190 miles
Total Distance:
7,765 miles
Flight: UA762
Aircraft: Airbus A320
Fare Class: United Economy (K)
Meal: Meals for Purchase
No Special Meal Offered.
Mon., Nov. 17, 2014 | Houston, TX (IAH - Intercontinental) to Chicago, IL (ORD - O'Hare)
Depart:
2:37 p.m.
Mon., Nov. 17, 2014
Houston, TX (IAH - Intercontinental)

Arrive:
5:20 p.m.
Mon., Nov. 17, 2014
Chicago, IL (ORD - O'Hare)
Travel Time:
2 hr 43 mn
Distance:
925 miles
Flight:UA384
Aircraft: Airbus A320
Fare Class: United Economy (K)
Meal: Snacks for Purchase
No Special Meal Offered.