flightsTest.dot

graph flights {
    "ORD" -- "RNO" [miles=1671];
    "ORD" -- "ATL" [miles=1993];
    "ATL" -- "DTW" [miles=1903];
    "RNO" -- "PIT" [miles=2081];
    "RNO" -- "DTW" [miles=113];
    "DTW" -- "PIT" [miles=415];
    "DTW" -- "SMF" [miles=390];
    "SMF" -- "SNA" [miles=787];
}