| Boo to Noventa Vicentina | 1,009.06 mi (1,623.92 km) |
| Boo to Novi di Modena | 1,042.70 mi (1,678.07 km) |
| Boo to Novi Ligure | 1,080.78 mi (1,739.35 km) |
| Boo to Nuoro | 1,368.80 mi (2,202.87 km) |
| Boo to Occhiobello | 1,032.82 mi (1,662.16 km) |
| Boo to Oderzo | 965.13 mi (1,553.23 km) |
| Boo to Oggiono | 1,004.99 mi (1,617.37 km) |
| Boo to Olbia | 1,326.45 mi (2,134.72 km) |
| Boo to Oleggio | 1,028.15 mi (1,654.65 km) |
| Boo to Olgiate Comasco | 1,010.90 mi (1,626.89 km) |
| Boo to Olgiate Olona | 1,022.01 mi (1,644.77 km) |
| Boo to Omegna | 1,013.76 mi (1,631.49 km) |
| Boo to Opera | 1,033.26 mi (1,662.87 km) |
| Boo to Oppeano | 1,012.06 mi (1,628.76 km) |
| Boo to Orbassano | 1,084.84 mi (1,745.88 km) |
