| Ukiah to Noventa Vicentina | 5,962.94 mi (9,596.43 km) |
| Ukiah to Novi di Modena | 5,968.23 mi (9,604.94 km) |
| Ukiah to Novi Ligure | 5,916.98 mi (9,522.46 km) |
| Ukiah to Nuoro | 6,184.23 mi (9,952.55 km) |
| Ukiah to Occhiobello | 5,985.07 mi (9,632.05 km) |
| Ukiah to Oderzo | 5,959.60 mi (9,591.04 km) |
| Ukiah to Oggiono | 5,874.92 mi (9,454.77 km) |
| Ukiah to Olbia | 6,155.17 mi (9,905.79 km) |
| Ukiah to Oleggio | 5,865.32 mi (9,439.32 km) |
| Ukiah to Olgiate Comasco | 5,864.30 mi (9,437.68 km) |
| Ukiah to Olgiate Olona | 5,870.44 mi (9,447.56 km) |
| Ukiah to Omegna | 5,843.34 mi (9,403.94 km) |
| Ukiah to Opera | 5,893.86 mi (9,485.25 km) |
| Ukiah to Oppeano | 5,952.56 mi (9,579.72 km) |
| Ukiah to Orbassano | 5,867.37 mi (9,442.61 km) |
