| Hereford to Oxford (Alabama) | 4,157.30 mi (6,690.54 km) |
| Hereford to Oxford (Mississippi) | 4,266.63 mi (6,866.47 km) |
| Hereford to Oxford (Ohio) | 3,829.54 mi (6,163.04 km) |
| Hereford to Oxnard (California) | 5,354.21 mi (8,616.76 km) |
| Hereford to Oxon Hill (Maryland) | 3,550.45 mi (5,713.90 km) |
| Hereford to Ozark (Alabama) | 4,254.35 mi (6,846.72 km) |
| Hereford to Ozark (Missouri) | 4,278.19 mi (6,885.09 km) |
| Hereford to Pace (Florida) | 4,358.03 mi (7,013.58 km) |
| Hereford to Pacific Grove (California) | 5,301.48 mi (8,531.91 km) |
| Hereford to Pacifica (California) | 5,260.99 mi (8,466.74 km) |
| Hereford to Paducah (Kentucky) | 4,098.73 mi (6,596.26 km) |
| Hereford to Pahrump (Nevada) | 5,136.27 mi (8,266.02 km) |
| Hereford to Painesville (Ohio) | 3,590.87 mi (5,778.95 km) |
| Hereford to Palatine (Illinois) | 3,836.40 mi (6,174.08 km) |
| Hereford to Palatka (Florida) | 4,179.80 mi (6,726.73 km) |
