| Tualatin to Noventa Vicentina | 5,580.13 mi (8,980.35 km) |
| Tualatin to Novi di Modena | 5,587.48 mi (8,992.18 km) |
| Tualatin to Novi Ligure | 5,541.06 mi (8,917.47 km) |
| Tualatin to Nuoro | 5,816.38 mi (9,360.56 km) |
| Tualatin to Occhiobello | 5,602.83 mi (9,016.89 km) |
| Tualatin to Oderzo | 5,573.92 mi (8,970.36 km) |
| Tualatin to Oggiono | 5,495.71 mi (8,844.50 km) |
| Tualatin to Olbia | 5,785.63 mi (9,311.08 km) |
| Tualatin to Oleggio | 5,488.00 mi (8,832.08 km) |
| Tualatin to Olgiate Comasco | 5,485.90 mi (8,828.70 km) |
| Tualatin to Olgiate Olona | 5,492.52 mi (8,839.35 km) |
| Tualatin to Omegna | 5,465.93 mi (8,796.56 km) |
| Tualatin to Opera | 5,515.73 mi (8,876.71 km) |
| Tualatin to Oppeano | 5,570.45 mi (8,964.77 km) |
| Tualatin to Orbassano | 5,493.67 mi (8,841.20 km) |
