| Diekirch to Noventa Vicentina | 403.70 mi (649.70 km) |
| Diekirch to Novi di Modena | 408.97 mi (658.17 km) |
| Diekirch to Novi Ligure | 373.79 mi (601.56 km) |
| Diekirch to Nuoro | 677.72 mi (1,090.68 km) |
| Diekirch to Occhiobello | 425.41 mi (684.63 km) |
| Diekirch to Oderzo | 407.34 mi (655.55 km) |
| Diekirch to Oggiono | 318.67 mi (512.85 km) |
| Diekirch to Olbia | 639.23 mi (1,028.74 km) |
| Diekirch to Oleggio | 316.51 mi (509.38 km) |
| Diekirch to Olgiate Comasco | 310.82 mi (500.22 km) |
| Diekirch to Olgiate Olona | 318.78 mi (513.03 km) |
| Diekirch to Omegna | 294.71 mi (474.29 km) |
| Diekirch to Opera | 340.99 mi (548.77 km) |
| Diekirch to Oppeano | 392.87 mi (632.26 km) |
| Diekirch to Orbassano | 341.97 mi (550.35 km) |
