| Kocaeli to Nowy Dwor Mazowiecki | 915.39 mi (1,473.18 km) |
| Kocaeli to Nowy Sacz | 758.01 mi (1,219.90 km) |
| Kocaeli to Nowy Targ | 769.83 mi (1,238.92 km) |
| Kocaeli to Nowy Tomysl | 1,029.11 mi (1,656.19 km) |
| Kocaeli to Nysa | 903.00 mi (1,453.23 km) |
| Kocaeli to Oborniki | 1,026.13 mi (1,651.39 km) |
| Kocaeli to Oborniki Slaskie | 956.17 mi (1,538.81 km) |
| Kocaeli to Olawa | 926.16 mi (1,490.51 km) |
| Kocaeli to Olecko | 979.06 mi (1,575.64 km) |
| Kocaeli to Olesnica | 936.62 mi (1,507.35 km) |
| Kocaeli to Olesno | 889.40 mi (1,431.34 km) |
| Kocaeli to Olkusz | 825.22 mi (1,328.06 km) |
| Kocaeli to Olsztyn | 1,000.22 mi (1,609.69 km) |
| Kocaeli to Opalenica | 1,020.40 mi (1,642.18 km) |
| Kocaeli to Opoczno | 864.96 mi (1,392.02 km) |
