| San Gwann to Noventa Vicentina | 665.72 mi (1,071.37 km) |
| San Gwann to Novi di Modena | 648.47 mi (1,043.61 km) |
| San Gwann to Novi Ligure | 680.58 mi (1,095.29 km) |
| San Gwann to Nuoro | 413.32 mi (665.18 km) |
| San Gwann to Occhiobello | 640.95 mi (1,031.50 km) |
| San Gwann to Oderzo | 689.84 mi (1,110.19 km) |
| San Gwann to Oggiono | 732.58 mi (1,178.98 km) |
| San Gwann to Olbia | 438.40 mi (705.53 km) |
| San Gwann to Oleggio | 735.63 mi (1,183.88 km) |
| San Gwann to Olgiate Comasco | 740.08 mi (1,191.05 km) |
| San Gwann to Olgiate Olona | 732.40 mi (1,178.69 km) |
| San Gwann to Omegna | 757.70 mi (1,219.39 km) |
| San Gwann to Opera | 709.92 mi (1,142.51 km) |
| San Gwann to Oppeano | 671.30 mi (1,080.35 km) |
| San Gwann to Orbassano | 726.20 mi (1,168.70 km) |
