| Smiltene to Noventa Vicentina | 1,038.99 mi (1,672.10 km) |
| Smiltene to Novi di Modena | 1,077.99 mi (1,734.86 km) |
| Smiltene to Novi Ligure | 1,141.58 mi (1,837.20 km) |
| Smiltene to Nuoro | 1,393.65 mi (2,242.86 km) |
| Smiltene to Occhiobello | 1,059.32 mi (1,704.80 km) |
| Smiltene to Oderzo | 985.72 mi (1,586.37 km) |
| Smiltene to Oggiono | 1,067.72 mi (1,718.33 km) |
| Smiltene to Olbia | 1,352.69 mi (2,176.94 km) |
| Smiltene to Oleggio | 1,098.09 mi (1,767.20 km) |
| Smiltene to Olgiate Comasco | 1,078.42 mi (1,735.54 km) |
| Smiltene to Olgiate Olona | 1,089.19 mi (1,752.88 km) |
| Smiltene to Omegna | 1,089.00 mi (1,752.58 km) |
| Smiltene to Opera | 1,094.09 mi (1,760.77 km) |
| Smiltene to Oppeano | 1,046.84 mi (1,684.72 km) |
| Smiltene to Orbassano | 1,162.46 mi (1,870.80 km) |
