| Hereford to Noventa Vicentina | 798.80 mi (1,285.55 km) |
| Hereford to Novi di Modena | 794.03 mi (1,277.87 km) |
| Hereford to Novi Ligure | 728.10 mi (1,171.77 km) |
| Hereford to Nuoro | 992.22 mi (1,596.82 km) |
| Hereford to Occhiobello | 817.13 mi (1,315.05 km) |
| Hereford to Oderzo | 812.94 mi (1,308.30 km) |
| Hereford to Oggiono | 697.02 mi (1,121.74 km) |
| Hereford to Olbia | 961.67 mi (1,547.66 km) |
| Hereford to Oleggio | 680.87 mi (1,095.76 km) |
| Hereford to Olgiate Comasco | 683.55 mi (1,100.07 km) |
| Hereford to Olgiate Olona | 687.85 mi (1,106.98 km) |
| Hereford to Omegna | 659.60 mi (1,061.52 km) |
| Hereford to Opera | 711.47 mi (1,145.00 km) |
| Hereford to Oppeano | 785.24 mi (1,263.72 km) |
| Hereford to Orbassano | 674.96 mi (1,086.25 km) |
