| Gebze to Noventa Vicentina | 953.09 mi (1,533.85 km) |
| Gebze to Novi di Modena | 977.97 mi (1,573.89 km) |
| Gebze to Novi Ligure | 1,078.97 mi (1,736.44 km) |
| Gebze to Nuoro | 1,053.33 mi (1,695.17 km) |
| Gebze to Occhiobello | 945.64 mi (1,521.85 km) |
| Gebze to Oderzo | 916.58 mi (1,475.10 km) |
| Gebze to Oggiono | 1,063.67 mi (1,711.81 km) |
| Gebze to Olbia | 1,039.43 mi (1,672.80 km) |
| Gebze to Oleggio | 1,095.22 mi (1,762.58 km) |
| Gebze to Olgiate Comasco | 1,081.77 mi (1,740.93 km) |
| Gebze to Olgiate Olona | 1,083.75 mi (1,744.13 km) |
| Gebze to Omegna | 1,109.47 mi (1,785.52 km) |
| Gebze to Opera | 1,064.76 mi (1,713.57 km) |
| Gebze to Oppeano | 969.95 mi (1,560.99 km) |
| Gebze to Orbassano | 1,141.78 mi (1,837.51 km) |
