| Suisun City to Noventa Vicentina | 5,983.75 mi (9,629.92 km) |
| Suisun City to Novi di Modena | 5,988.15 mi (9,636.99 km) |
| Suisun City to Novi Ligure | 5,934.89 mi (9,551.29 km) |
| Suisun City to Nuoro | 6,198.65 mi (9,975.76 km) |
| Suisun City to Occhiobello | 6,005.62 mi (9,665.11 km) |
| Suisun City to Oderzo | 5,981.68 mi (9,626.59 km) |
| Suisun City to Oggiono | 5,894.25 mi (9,485.88 km) |
| Suisun City to Olbia | 6,170.29 mi (9,930.13 km) |
| Suisun City to Oleggio | 5,883.86 mi (9,469.16 km) |
| Suisun City to Olgiate Comasco | 5,883.30 mi (9,468.25 km) |
| Suisun City to Olgiate Olona | 5,889.23 mi (9,477.80 km) |
| Suisun City to Omegna | 5,861.94 mi (9,433.88 km) |
| Suisun City to Opera | 5,912.71 mi (9,515.59 km) |
| Suisun City to Oppeano | 5,973.08 mi (9,612.74 km) |
| Suisun City to Orbassano | 5,884.41 mi (9,470.04 km) |
