| Probistip to Odessa (Texas) | 6,235.44 mi (10,034.98 km) |
| Probistip to Ogden (Utah) | 6,013.92 mi (9,678.46 km) |
| Probistip to Oildale (California) | 6,552.00 mi (10,544.42 km) |
| Probistip to Ojus (Florida) | 5,622.13 mi (9,047.95 km) |
| Probistip to Okemos (Michigan) | 5,021.20 mi (8,080.83 km) |
| Probistip to Oklahoma City (Oklahoma) | 5,868.02 mi (9,443.66 km) |
| Probistip to Okmulgee (Oklahoma) | 5,805.03 mi (9,342.30 km) |
| Probistip to Olathe (Kansas) | 5,592.84 mi (9,000.80 km) |
| Probistip to Old Jamestown (Missouri) | 5,427.69 mi (8,735.02 km) |
| Probistip to Oldsmar (Florida) | 5,636.12 mi (9,070.47 km) |
| Probistip to Olean (New York) | 4,816.21 mi (7,750.95 km) |
| Probistip to Olive Branch (Mississippi) | 5,602.42 mi (9,016.23 km) |
| Probistip to Olivehurst (California) | 6,390.28 mi (10,284.16 km) |
| Probistip to Olney (Maryland) | 4,888.14 mi (7,866.70 km) |
| Probistip to Olympia (Washington) | 5,923.63 mi (9,533.16 km) |
