| Quattro Castella to Noventa Vicentina | 68.82 mi (110.76 km) |
| Quattro Castella to Novi di Modena | 27.87 mi (44.86 km) |
| Quattro Castella to Novi Ligure | 83.02 mi (133.61 km) |
| Quattro Castella to Nuoro | 303.78 mi (488.89 km) |
| Quattro Castella to Occhiobello | 58.18 mi (93.63 km) |
| Quattro Castella to Oderzo | 126.54 mi (203.64 km) |
| Quattro Castella to Oggiono | 96.27 mi (154.93 km) |
| Quattro Castella to Olbia | 261.42 mi (420.72 km) |
| Quattro Castella to Oleggio | 111.58 mi (179.58 km) |
| Quattro Castella to Olgiate Comasco | 107.91 mi (173.66 km) |
| Quattro Castella to Olgiate Olona | 103.58 mi (166.70 km) |
| Quattro Castella to Omegna | 132.03 mi (212.48 km) |
| Quattro Castella to Opera | 80.08 mi (128.88 km) |
| Quattro Castella to Oppeano | 57.87 mi (93.13 km) |
| Quattro Castella to Orbassano | 145.89 mi (234.78 km) |
