| Pharr to Orangeburg (South Carolina) | 1,152.94 mi (1,855.47 km) |
| Pharr to Orangevale (California) | 1,590.35 mi (2,559.43 km) |
| Pharr to Orchards (Washington) | 1,901.92 mi (3,060.84 km) |
| Pharr to Orcutt (California) | 1,449.07 mi (2,332.05 km) |
| Pharr to Oregon (Ohio) | 1,359.83 mi (2,188.44 km) |
| Pharr to Oregon (Wisconsin) | 1,259.69 mi (2,027.28 km) |
| Pharr to Oregon City (Oregon) | 1,890.04 mi (3,041.73 km) |
| Pharr to Orem (Utah) | 1,246.86 mi (2,006.63 km) |
| Pharr to Orinda (California) | 1,614.40 mi (2,598.13 km) |
| Pharr to Orland Park (Illinois) | 1,218.01 mi (1,960.20 km) |
| Pharr to Orlando (Florida) | 1,045.86 mi (1,683.15 km) |
| Pharr to Ormond Beach (Florida) | 1,066.18 mi (1,715.84 km) |
| Pharr to Oro Valley (Arizona) | 882.33 mi (1,419.97 km) |
| Pharr to Oroville (California) | 1,631.97 mi (2,626.40 km) |
| Pharr to Oshkosh (Wisconsin) | 1,346.05 mi (2,166.26 km) |
