| Avellino to Novi di Modena | 337.86 mi (543.73 km) |
| Avellino to Novi Ligure | 403.53 mi (649.41 km) |
| Avellino to Nuoro | 289.07 mi (465.21 km) |
| Avellino to Occhiobello | 320.73 mi (516.17 km) |
| Avellino to Oderzo | 355.28 mi (571.77 km) |
| Avellino to Oggiono | 433.07 mi (696.95 km) |
| Avellino to Olbia | 276.10 mi (444.34 km) |
| Avellino to Oleggio | 447.67 mi (720.45 km) |
| Avellino to Olgiate Comasco | 445.43 mi (716.85 km) |
| Avellino to Olgiate Olona | 440.73 mi (709.28 km) |
| Avellino to Omegna | 468.91 mi (754.65 km) |
| Avellino to Opera | 417.09 mi (671.24 km) |
| Avellino to Oppeano | 353.18 mi (568.39 km) |
| Avellino to Orbassano | 462.65 mi (744.57 km) |
| Avellino to Orbetello | 212.41 mi (341.85 km) |
