| Smartno to Noventa Vicentina | 168.39 mi (271.00 km) |
| Smartno to Novi di Modena | 207.03 mi (333.18 km) |
| Smartno to Novi Ligure | 307.05 mi (494.16 km) |
| Smartno to Nuoro | 483.21 mi (777.66 km) |
| Smartno to Occhiobello | 176.16 mi (283.50 km) |
| Smartno to Oderzo | 114.60 mi (184.43 km) |
| Smartno to Oggiono | 264.79 mi (426.13 km) |
| Smartno to Olbia | 444.02 mi (714.58 km) |
| Smartno to Oleggio | 300.66 mi (483.87 km) |
| Smartno to Olgiate Comasco | 283.16 mi (455.70 km) |
| Smartno to Olgiate Olona | 288.38 mi (464.10 km) |
| Smartno to Omegna | 309.43 mi (497.97 km) |
| Smartno to Opera | 275.36 mi (443.15 km) |
| Smartno to Oppeano | 184.17 mi (296.39 km) |
| Smartno to Orbassano | 360.87 mi (580.77 km) |
