| Pharr to Odenton (Maryland) | 1,529.39 mi (2,461.31 km) |
| Pharr to Odessa (Texas) | 467.57 mi (752.49 km) |
| Pharr to Ogden (Utah) | 1,304.04 mi (2,098.64 km) |
| Pharr to Oildale (California) | 1,388.47 mi (2,234.52 km) |
| Pharr to Ojus (Florida) | 1,118.26 mi (1,799.67 km) |
| Pharr to Okemos (Michigan) | 1,382.23 mi (2,224.49 km) |
| Pharr to Oklahoma City (Oklahoma) | 643.75 mi (1,036.02 km) |
| Pharr to Okmulgee (Oklahoma) | 665.24 mi (1,070.60 km) |
| Pharr to Olathe (Kansas) | 899.98 mi (1,448.38 km) |
| Pharr to Old Jamestown (Missouri) | 988.25 mi (1,590.44 km) |
| Pharr to Oldsmar (Florida) | 962.69 mi (1,549.30 km) |
| Pharr to Olean (New York) | 1,569.21 mi (2,525.40 km) |
| Pharr to Olive Branch (Mississippi) | 783.80 mi (1,261.41 km) |
| Pharr to Olivehurst (California) | 1,618.52 mi (2,604.75 km) |
| Pharr to Olney (Maryland) | 1,514.52 mi (2,437.38 km) |
