Driving distance (kilometer)  
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
Kocaeli 1 54 4 13 17 17 36 45 60 74 8 54 51 64 55
Gebze 2 54 46 39 35 54 35 13 8 20 54 38 37 9 106
İzmit 3 5 47 9 13 17 36 38 53 68 8 54 51 58 59
Derince 4 14 39 9 4 25 58 30 45 60 16 62 61 50 68
Körfez 5 18 36 13 5 30 55 27 42 57 21 59 58 47 77
Gölcük 6 18 54 18 27 31 19 51 60 75 10 37 34 64 72
Karamürsel 7 37 34 37 57 53 19 31 41 55 29 18 15 45 91
Dilovası 8 46 12 38 30 26 55 32 18 32 46 35 34 23 98
Darıca 9 61 7 53 45 42 61 42 20 27 61 45 44 16 113
Yediyer 10 68 20 67 59 55 74 55 33 27 74 58 57 15 115
Başiskele 11 10 57 11 19 23 9 28 48 63 83 46 43 68 64
Valide Köprü 12 76 38 69 61 57 39 18 35 44 59 49 6 49 128
Taşağıl 13 75 36 67 59 56 36 15 33 43 57 45 6 47 127
Atatürk 14 64 7 56 48 44 64 44 22 14 15 63 48 47 116
Ömerağa Villaları 15 56 108 59 68 72 72 91 99 114 100 63 109 106 118

Mileage chart between Kocaeli cities: https://au.drivebestway.com/mileage-chart-with-distances-between-cities/tr-kocaeli/