| Trabzon to Noventa Vicentina | 1,443.70 mi (2,323.41 km) |
| Trabzon to Novi di Modena | 1,474.06 mi (2,372.27 km) |
| Trabzon to Novi Ligure | 1,577.81 mi (2,539.24 km) |
| Trabzon to Nuoro | 1,585.42 mi (2,551.49 km) |
| Trabzon to Occhiobello | 1,440.79 mi (2,318.73 km) |
| Trabzon to Oderzo | 1,399.00 mi (2,251.48 km) |
| Trabzon to Oggiono | 1,550.28 mi (2,494.93 km) |
| Trabzon to Olbia | 1,568.94 mi (2,524.97 km) |
| Trabzon to Oleggio | 1,584.67 mi (2,550.28 km) |
| Trabzon to Olgiate Comasco | 1,568.74 mi (2,524.65 km) |
| Trabzon to Olgiate Olona | 1,572.61 mi (2,530.87 km) |
| Trabzon to Omegna | 1,595.80 mi (2,568.19 km) |
| Trabzon to Opera | 1,556.32 mi (2,504.66 km) |
| Trabzon to Oppeano | 1,460.74 mi (2,350.83 km) |
| Trabzon to Orbassano | 1,638.43 mi (2,636.81 km) |
