| Murphy to Olympia Heights (Florida) | 1,099.93 mi (1,770.16 km) |
| Murphy to Omaha (Nebraska) | 570.44 mi (918.03 km) |
| Murphy to On Top of the World Designated Place (Florida) | 888.94 mi (1,430.62 km) |
| Murphy to Onalaska (Wisconsin) | 805.44 mi (1,296.23 km) |
| Murphy to Oneida (New York) | 1,329.33 mi (2,139.35 km) |
| Murphy to Oneonta (New York) | 1,340.12 mi (2,156.71 km) |
| Murphy to Ontario (California) | 1,209.23 mi (1,946.07 km) |
| Murphy to Ontario (Oregon) | 1,332.11 mi (2,143.83 km) |
| Murphy to Opa-locka (Florida) | 1,098.19 mi (1,767.37 km) |
| Murphy to Opelika (Alabama) | 652.28 mi (1,049.75 km) |
| Murphy to Opelousas (Louisiana) | 316.88 mi (509.97 km) |
| Murphy to Orange (California) | 1,222.41 mi (1,967.27 km) |
| Murphy to Orange (Texas) | 261.09 mi (420.18 km) |
| Murphy to Orange City (Florida) | 949.46 mi (1,528.01 km) |
| Murphy to Orangeburg (South Carolina) | 909.34 mi (1,463.44 km) |
