| Rancho San Diego to Owosso (Michigan) | 1,905.64 mi (3,066.83 km) |
| Rancho San Diego to Oxford (Alabama) | 1,789.81 mi (2,880.42 km) |
| Rancho San Diego to Oxford (Mississippi) | 1,575.84 mi (2,536.07 km) |
| Rancho San Diego to Oxford (Ohio) | 1,844.20 mi (2,967.95 km) |
| Rancho San Diego to Oxnard (California) | 163.72 mi (263.48 km) |
| Rancho San Diego to Oxon Hill (Maryland) | 2,259.33 mi (3,636.04 km) |
| Rancho San Diego to Ozark (Alabama) | 1,825.87 mi (2,938.45 km) |
| Rancho San Diego to Ozark (Missouri) | 1,371.47 mi (2,207.17 km) |
| Rancho San Diego to Pace (Florida) | 1,749.75 mi (2,815.95 km) |
| Rancho San Diego to Pacific Grove (California) | 389.61 mi (627.01 km) |
| Rancho San Diego to Pacifica (California) | 458.90 mi (738.53 km) |
| Rancho San Diego to Paducah (Kentucky) | 1,623.16 mi (2,612.23 km) |
| Rancho San Diego to Pahrump (Nevada) | 244.83 mi (394.02 km) |
| Rancho San Diego to Painesville (Ohio) | 2,040.57 mi (3,283.98 km) |
| Rancho San Diego to Palatine (Illinois) | 1,700.61 mi (2,736.87 km) |
