| Olivares to Noventa Vicentina | 1,062.70 mi (1,710.25 km) |
| Olivares to Novi di Modena | 1,023.47 mi (1,647.12 km) |
| Olivares to Novi Ligure | 926.34 mi (1,490.81 km) |
| Olivares to Nuoro | 855.48 mi (1,376.76 km) |
| Olivares to Occhiobello | 1,054.71 mi (1,697.39 km) |
| Olivares to Oderzo | 1,119.22 mi (1,801.21 km) |
| Olivares to Oggiono | 984.87 mi (1,584.99 km) |
| Olivares to Olbia | 871.16 mi (1,401.99 km) |
| Olivares to Oleggio | 948.69 mi (1,526.76 km) |
| Olivares to Olgiate Comasco | 969.02 mi (1,559.48 km) |
| Olivares to Olgiate Olona | 960.22 mi (1,545.32 km) |
| Olivares to Omegna | 949.65 mi (1,528.31 km) |
| Olivares to Opera | 965.50 mi (1,553.82 km) |
| Olivares to Oppeano | 1,047.76 mi (1,686.20 km) |
| Olivares to Orbassano | 881.85 mi (1,419.21 km) |
