| Nipomo to Olympia Heights (Florida) | 2,460.92 mi (3,960.47 km) |
| Nipomo to Omaha (Nebraska) | 1,390.84 mi (2,238.34 km) |
| Nipomo to On Top of the World Designated Place (Florida) | 2,260.46 mi (3,637.86 km) |
| Nipomo to Onalaska (Wisconsin) | 1,667.15 mi (2,683.02 km) |
| Nipomo to Oneida (New York) | 2,438.68 mi (3,924.67 km) |
| Nipomo to Oneonta (New York) | 2,471.01 mi (3,976.70 km) |
| Nipomo to Ontario (California) | 178.32 mi (286.97 km) |
| Nipomo to Ontario (Oregon) | 648.99 mi (1,044.44 km) |
| Nipomo to Opa-locka (Florida) | 2,460.55 mi (3,959.87 km) |
| Nipomo to Opelika (Alabama) | 2,011.73 mi (3,237.57 km) |
| Nipomo to Opelousas (Louisiana) | 1,673.99 mi (2,694.03 km) |
| Nipomo to Orange (California) | 174.56 mi (280.93 km) |
| Nipomo to Orange (Texas) | 1,588.17 mi (2,555.91 km) |
| Nipomo to Orange City (Florida) | 2,321.10 mi (3,735.45 km) |
| Nipomo to Orangeburg (South Carolina) | 2,250.69 mi (3,622.13 km) |
