I used mapquest to find each team's distance from home for the opening weekend games. Here they are:
NCAA Tournament
Oklahoma City
#1 Kansas 316 miles vs. #16 Lehigh 1375 miles
#8 UNLV 1111 miles vs. #9 Northern Iowa 667 miles
Spokane, Washington
#5 Michigan State 1724 miles vs. #12 New Mexico State 1569 miles
#4 Maryland 2494 miles vs. #13 Houston 2113 miles
Providence, Rhode Island
#6 Tennessee 896 miles vs. #11 San Diego State 2898 miles
#3 Georgetown 409 miles vs. #14 Ohio 713 miles
Milwaukee
#7 Oklahoma State 850 miles vs. #10 Georgia Tech 801 miles
#2 Ohio State 445 miles vs. #15 UC Santa Barbara 2191 miles
Buffalo
#1 Syracuse 153 miles vs. #16 Vermont 405 miles
#8 Gonzaga 2325 miles vs. #9 Florida State 1204 miles
San Jose
#5 Butler 2282 miles vs. #12 UTEP 1140 miles
#4 Vanderbilt 2265 miles vs. #13 Murray State 2198 miles
Milwaukee
#6 Xavier 384 miles vs. #11 Minnesota 334 miles
#3 Pittsburgh 637 miles vs. #14 Oakland 2169 miles
Oklahoma City
#7 BYU 1119 miles vs. #10 Florida 1122 miles
#2 Kansas State 291 miles vs. #15 North Texas 166 miles
New Orleans
#1 Kentucky 743 miles vs. #16 ETSU 696 miles
#8 Texas 513 miles vs. #9 Wake Forest 790 miles
Jacksonville
#5 Temple 859 miles vs. #12 Cornell 1036 miles
#4 Wisconsin 1215 miles vs. #13 Wofford 380 miles
San Jose
#6 Marquette 2204 miles vs. #11 Washington 842 miles
#3 New Mexico 1049 miles vs. #14 Montana 1178 miles
Buffalo
#7 Clemson 786 miles vs. #10 Missouri 987 miles
#2 West Virginia 286 miles vs. #15 Morgan State 367 miles
Jacksonville
#1 Duke 481 miles vs. #16 Play in Winner
#8 California 2827 miles vs. #9 Louisville 767 miles
Spokane, Washinton
#5 Texas A&M 2016 miles vs. #12 Utah State 662 miles
#4 Purdue 1978 miles vs. #13 Siena 2004 miles
New Orleans
#6 Notre Dame 960 vs. #11 Old Dominion 1059 miles
#3 Baylor 529 miles vs. #14 Sam Houston 394 miles
Providence, Rhode Island
#7 Richmond 520 miles vs. #10 St. Mary's 3086 miles
#2 Villanova 274 miles vs. #15 Robert Morris 576 miles
NCAA Tournament
Oklahoma City
#1 Kansas 316 miles vs. #16 Lehigh 1375 miles
#8 UNLV 1111 miles vs. #9 Northern Iowa 667 miles
Spokane, Washington
#5 Michigan State 1724 miles vs. #12 New Mexico State 1569 miles
#4 Maryland 2494 miles vs. #13 Houston 2113 miles
Providence, Rhode Island
#6 Tennessee 896 miles vs. #11 San Diego State 2898 miles
#3 Georgetown 409 miles vs. #14 Ohio 713 miles
Milwaukee
#7 Oklahoma State 850 miles vs. #10 Georgia Tech 801 miles
#2 Ohio State 445 miles vs. #15 UC Santa Barbara 2191 miles
Buffalo
#1 Syracuse 153 miles vs. #16 Vermont 405 miles
#8 Gonzaga 2325 miles vs. #9 Florida State 1204 miles
San Jose
#5 Butler 2282 miles vs. #12 UTEP 1140 miles
#4 Vanderbilt 2265 miles vs. #13 Murray State 2198 miles
Milwaukee
#6 Xavier 384 miles vs. #11 Minnesota 334 miles
#3 Pittsburgh 637 miles vs. #14 Oakland 2169 miles
Oklahoma City
#7 BYU 1119 miles vs. #10 Florida 1122 miles
#2 Kansas State 291 miles vs. #15 North Texas 166 miles
New Orleans
#1 Kentucky 743 miles vs. #16 ETSU 696 miles
#8 Texas 513 miles vs. #9 Wake Forest 790 miles
Jacksonville
#5 Temple 859 miles vs. #12 Cornell 1036 miles
#4 Wisconsin 1215 miles vs. #13 Wofford 380 miles
San Jose
#6 Marquette 2204 miles vs. #11 Washington 842 miles
#3 New Mexico 1049 miles vs. #14 Montana 1178 miles
Buffalo
#7 Clemson 786 miles vs. #10 Missouri 987 miles
#2 West Virginia 286 miles vs. #15 Morgan State 367 miles
Jacksonville
#1 Duke 481 miles vs. #16 Play in Winner
#8 California 2827 miles vs. #9 Louisville 767 miles
Spokane, Washinton
#5 Texas A&M 2016 miles vs. #12 Utah State 662 miles
#4 Purdue 1978 miles vs. #13 Siena 2004 miles
New Orleans
#6 Notre Dame 960 vs. #11 Old Dominion 1059 miles
#3 Baylor 529 miles vs. #14 Sam Houston 394 miles
Providence, Rhode Island
#7 Richmond 520 miles vs. #10 St. Mary's 3086 miles
#2 Villanova 274 miles vs. #15 Robert Morris 576 miles