Table:
text: World's busiest passenger air routes
By aircraft movements
By aircraft movements
Rank_ Route Avg_Daily_Flts _of_Airlines Distance_km Market_Share_Leader
6T Melbourne ( MEL ) - Sydney ( SYD ) 116 8 705 Qantas
8 Kahului ( OGG ) - Honolulu ( HNL ) 98 4 163 Hawaiian Airlines
9T Johannesburg ( JNB ) - Cape Town ( CPT ) 92 6 1270 South African Airways
9T Fukuoka ( FUK ) - Tokyo ( HND ) 92 3 881 Japan Airlines

Question: How many airlines have a total distance of 705 km among the world's busiest passenger flight routes by aircraft movements?