Table 3: The distances between any two cities (km).

JNAQDZBZZHDYYTWFJNITAWHRZHLWLYDZHLCHBZHHZ

JNA03611112452254572092027551733286250131125159251
QD3610263429275251157448363272175308300469464330557
ZB11126303131283601122701464193239124022221683357
ZZH2454293130439589424137172649267222116329324372247
DY225275128439035014139827441035921936833532975470
YT457251360589350025260650465333449458565559426700
WF2091571124241412520382257314226202249318313179454
JNI2024482701373986063820130667285180203287156331126
TA75363146172274504257130056627758195169163207240
WH517272419649410653146675660395510519626621487762
RZH3321753232673593332262852773950247137443437383395
LW8630891222219449202180585102470165225220152290
LY2503002401163684582492031955191371650361355301313
DZH1314692223293355653182871696264432253610180271338
LCH1254642163243295593131561636214372203551800263225
BZH15933083372754261793312074873831523012712630404
HZ2515573572474707004541262407623952903133382254040