| Union City to Noventa Vicentina | 6,022.27 mi (9,691.90 km) |
| Union City to Novi di Modena | 6,026.43 mi (9,698.60 km) |
| Union City to Novi Ligure | 5,972.65 mi (9,612.05 km) |
| Union City to Nuoro | 6,235.42 mi (10,034.94 km) |
| Union City to Occhiobello | 6,044.06 mi (9,726.98 km) |
| Union City to Oderzo | 6,020.52 mi (9,689.08 km) |
| Union City to Oggiono | 5,932.39 mi (9,547.26 km) |
| Union City to Olbia | 6,207.26 mi (9,989.62 km) |
| Union City to Oleggio | 5,921.79 mi (9,530.20 km) |
| Union City to Olgiate Comasco | 5,921.35 mi (9,529.48 km) |
| Union City to Olgiate Olona | 5,927.22 mi (9,538.94 km) |
| Union City to Omegna | 5,899.88 mi (9,494.94 km) |
| Union City to Opera | 5,950.72 mi (9,576.76 km) |
| Union City to Oppeano | 6,011.51 mi (9,674.60 km) |
| Union City to Orbassano | 5,921.93 mi (9,530.43 km) |
