| Kocaeli to Oschatz | 1,081.75 mi (1,740.91 km) |
| Kocaeli to Oschersleben | 1,175.35 mi (1,891.55 km) |
| Kocaeli to Osnabruck | 1,300.63 mi (2,093.17 km) |
| Kocaeli to Ostbevern | 1,300.16 mi (2,092.41 km) |
| Kocaeli to Osterburg | 1,188.43 mi (1,912.60 km) |
| Kocaeli to Ostercappeln | 1,296.13 mi (2,085.93 km) |
| Kocaeli to Osterhofen | 990.96 mi (1,594.79 km) |
| Kocaeli to Osterholz-Scharmbeck | 1,306.77 mi (2,103.05 km) |
| Kocaeli to Osternienburg | 1,139.94 mi (1,834.55 km) |
| Kocaeli to Osterode | 1,200.41 mi (1,931.87 km) |
| Kocaeli to Osterwieck | 1,192.38 mi (1,918.94 km) |
| Kocaeli to Ostfildern | 1,148.80 mi (1,848.82 km) |
| Kocaeli to Osthofen | 1,212.29 mi (1,951.00 km) |
| Kocaeli to Ostrhauderfehn | 1,344.94 mi (2,164.47 km) |
| Kocaeli to Ostringen | 1,183.76 mi (1,905.07 km) |
