| Sinaia to Noventa Vicentina | 680.23 mi (1,094.73 km) |
| Sinaia to Novi di Modena | 713.95 mi (1,149.00 km) |
| Sinaia to Novi Ligure | 817.87 mi (1,316.24 km) |
| Sinaia to Nuoro | 890.26 mi (1,432.74 km) |
| Sinaia to Occhiobello | 680.70 mi (1,095.48 km) |
| Sinaia to Oderzo | 631.67 mi (1,016.57 km) |
| Sinaia to Oggiono | 782.90 mi (1,259.96 km) |
| Sinaia to Olbia | 863.52 mi (1,389.70 km) |
| Sinaia to Oleggio | 818.34 mi (1,316.98 km) |
| Sinaia to Olgiate Comasco | 801.33 mi (1,289.62 km) |
| Sinaia to Olgiate Olona | 806.11 mi (1,297.30 km) |
| Sinaia to Omegna | 827.80 mi (1,332.22 km) |
| Sinaia to Opera | 791.57 mi (1,273.91 km) |
| Sinaia to Oppeano | 697.06 mi (1,121.81 km) |
| Sinaia to Orbassano | 875.86 mi (1,409.57 km) |
