| Mentana to Oakley (California) | 6,207.44 mi (9,989.92 km) |
| Mentana to Oakton (Virginia) | 4,499.39 mi (7,241.07 km) |
| Mentana to Oakville (Missouri) | 5,071.77 mi (8,162.23 km) |
| Mentana to Oatfield (Oregon) | 5,796.64 mi (9,328.79 km) |
| Mentana to Ocala (Florida) | 5,127.75 mi (8,252.31 km) |
| Mentana to Ocean Acres (New Jersey) | 4,332.67 mi (6,972.75 km) |
| Mentana to Ocean City (New Jersey) | 4,365.09 mi (7,024.94 km) |
| Mentana to Ocean Pines (Maryland) | 4,423.62 mi (7,119.13 km) |
| Mentana to Ocean Pointe (Hawaii) | 8,020.65 mi (12,907.99 km) |
| Mentana to Ocean Springs (Mississippi) | 5,373.74 mi (8,648.19 km) |
| Mentana to Oceanside (California) | 6,346.66 mi (10,213.96 km) |
| Mentana to Oceanside (New York) | 4,270.63 mi (6,872.91 km) |
| Mentana to Ocoee (Florida) | 5,125.37 mi (8,248.48 km) |
| Mentana to Oconomowoc (Wisconsin) | 4,792.34 mi (7,712.52 km) |
| Mentana to Odenton (Maryland) | 4,465.60 mi (7,186.68 km) |
