| Kocaeli to Noventa Vicentina | 977.17 mi (1,572.60 km) |
| Kocaeli to Novi di Modena | 1,002.31 mi (1,613.07 km) |
| Kocaeli to Novi Ligure | 1,103.49 mi (1,775.90 km) |
| Kocaeli to Nuoro | 1,078.79 mi (1,736.15 km) |
| Kocaeli to Occhiobello | 969.92 mi (1,560.93 km) |
| Kocaeli to Oderzo | 940.24 mi (1,513.17 km) |
| Kocaeli to Oggiono | 1,087.65 mi (1,750.40 km) |
| Kocaeli to Olbia | 1,064.89 mi (1,713.77 km) |
| Kocaeli to Oleggio | 1,119.34 mi (1,801.41 km) |
| Kocaeli to Olgiate Comasco | 1,105.77 mi (1,779.57 km) |
| Kocaeli to Olgiate Olona | 1,107.84 mi (1,782.90 km) |
| Kocaeli to Omegna | 1,133.47 mi (1,824.14 km) |
| Kocaeli to Opera | 1,088.96 mi (1,752.51 km) |
| Kocaeli to Oppeano | 994.05 mi (1,599.77 km) |
| Kocaeli to Orbassano | 1,166.23 mi (1,876.87 km) |
