| Mentana to Odessa (Texas) | 5,873.78 mi (9,452.94 km) |
| Mentana to Ogden (Utah) | 5,727.45 mi (9,217.44 km) |
| Mentana to Oildale (California) | 6,275.98 mi (10,100.21 km) |
| Mentana to Ojus (Florida) | 5,176.30 mi (8,330.46 km) |
| Mentana to Okemos (Michigan) | 4,645.98 mi (7,476.98 km) |
| Mentana to Oklahoma City (Oklahoma) | 5,502.69 mi (8,855.72 km) |
| Mentana to Okmulgee (Oklahoma) | 5,435.19 mi (8,747.10 km) |
| Mentana to Olathe (Kansas) | 5,232.18 mi (8,420.38 km) |
| Mentana to Old Jamestown (Missouri) | 5,052.63 mi (8,131.43 km) |
| Mentana to Oldsmar (Florida) | 5,201.86 mi (8,371.58 km) |
| Mentana to Olean (New York) | 4,422.82 mi (7,117.85 km) |
| Mentana to Olive Branch (Mississippi) | 5,210.76 mi (8,385.90 km) |
| Mentana to Olivehurst (California) | 6,139.89 mi (9,881.19 km) |
| Mentana to Olney (Maryland) | 4,479.07 mi (7,208.36 km) |
| Mentana to Olympia (Washington) | 5,708.44 mi (9,186.84 km) |
