| Sidney to Noventa Vicentina | 4,562.50 mi (7,342.63 km) |
| Sidney to Novi di Modena | 4,551.81 mi (7,325.43 km) |
| Sidney to Novi Ligure | 4,470.05 mi (7,193.84 km) |
| Sidney to Nuoro | 4,662.95 mi (7,504.30 km) |
| Sidney to Occhiobello | 4,578.38 mi (7,368.19 km) |
| Sidney to Oderzo | 4,581.77 mi (7,373.65 km) |
| Sidney to Oggiono | 4,455.14 mi (7,169.85 km) |
| Sidney to Olbia | 4,646.73 mi (7,478.18 km) |
| Sidney to Oleggio | 4,432.68 mi (7,133.70 km) |
| Sidney to Olgiate Comasco | 4,439.54 mi (7,144.75 km) |
| Sidney to Olgiate Olona | 4,441.67 mi (7,148.18 km) |
| Sidney to Omegna | 4,413.23 mi (7,102.40 km) |
| Sidney to Opera | 4,464.56 mi (7,185.01 km) |
| Sidney to Oppeano | 4,547.71 mi (7,318.83 km) |
| Sidney to Orbassano | 4,409.18 mi (7,095.90 km) |
