| Trebnje to Noventa Vicentina | 173.49 mi (279.21 km) |
| Trebnje to Novi di Modena | 211.27 mi (340.00 km) |
| Trebnje to Novi Ligure | 312.45 mi (502.84 km) |
| Trebnje to Nuoro | 480.67 mi (773.57 km) |
| Trebnje to Occhiobello | 179.70 mi (289.20 km) |
| Trebnje to Oderzo | 121.41 mi (195.39 km) |
| Trebnje to Oggiono | 272.43 mi (438.43 km) |
| Trebnje to Olbia | 441.91 mi (711.18 km) |
| Trebnje to Oleggio | 308.01 mi (495.69 km) |
| Trebnje to Olgiate Comasco | 290.85 mi (468.08 km) |
| Trebnje to Olgiate Olona | 295.75 mi (475.96 km) |
| Trebnje to Omegna | 317.38 mi (510.77 km) |
| Trebnje to Opera | 282.05 mi (453.92 km) |
| Trebnje to Oppeano | 189.63 mi (305.19 km) |
| Trebnje to Orbassano | 367.30 mi (591.11 km) |
