| Corvallis to Noventa Vicentina | 5,640.68 mi (9,077.80 km) |
| Corvallis to Novi di Modena | 5,647.96 mi (9,089.51 km) |
| Corvallis to Novi Ligure | 5,601.33 mi (9,014.47 km) |
| Corvallis to Nuoro | 5,876.29 mi (9,456.98 km) |
| Corvallis to Occhiobello | 5,663.36 mi (9,114.30 km) |
| Corvallis to Oderzo | 5,634.57 mi (9,067.97 km) |
| Corvallis to Oggiono | 5,556.12 mi (8,941.71 km) |
| Corvallis to Olbia | 5,845.62 mi (9,407.62 km) |
| Corvallis to Oleggio | 5,548.33 mi (8,929.17 km) |
| Corvallis to Olgiate Comasco | 5,546.27 mi (8,925.86 km) |
| Corvallis to Olgiate Olona | 5,552.87 mi (8,936.48 km) |
| Corvallis to Omegna | 5,526.26 mi (8,893.65 km) |
| Corvallis to Opera | 5,576.10 mi (8,973.86 km) |
| Corvallis to Oppeano | 5,630.97 mi (9,062.17 km) |
| Corvallis to Orbassano | 5,553.83 mi (8,938.03 km) |
