| Silver Spring to Owosso (Michigan) | 463.75 mi (746.33 km) |
| Silver Spring to Oxford (Alabama) | 617.76 mi (994.19 km) |
| Silver Spring to Oxford (Mississippi) | 762.97 mi (1,227.87 km) |
| Silver Spring to Oxford (Ohio) | 414.58 mi (667.19 km) |
| Silver Spring to Oxnard (California) | 2,341.09 mi (3,767.62 km) |
| Silver Spring to Oxon Hill (Maryland) | 15.04 mi (24.20 km) |
| Silver Spring to Ozark (Alabama) | 712.97 mi (1,147.41 km) |
| Silver Spring to Ozark (Missouri) | 890.71 mi (1,433.45 km) |
| Silver Spring to Pace (Florida) | 815.54 mi (1,312.49 km) |
| Silver Spring to Pacific Grove (California) | 2,431.86 mi (3,913.70 km) |
| Silver Spring to Pacifica (California) | 2,440.56 mi (3,927.71 km) |
| Silver Spring to Paducah (Kentucky) | 645.97 mi (1,039.58 km) |
| Silver Spring to Pahrump (Nevada) | 2,125.64 mi (3,420.89 km) |
| Silver Spring to Painesville (Ohio) | 291.50 mi (469.12 km) |
| Silver Spring to Palatine (Illinois) | 616.75 mi (992.56 km) |
