| Prairie Ridge to Odenton (Maryland) | 2,324.69 mi (3,741.23 km) |
| Prairie Ridge to Odessa (Texas) | 1,483.61 mi (2,387.64 km) |
| Prairie Ridge to Ogden (Utah) | 648.00 mi (1,042.86 km) |
| Prairie Ridge to Oildale (California) | 825.16 mi (1,327.97 km) |
| Prairie Ridge to Ojus (Florida) | 2,705.20 mi (4,353.60 km) |
| Prairie Ridge to Okemos (Michigan) | 1,852.40 mi (2,981.15 km) |
| Prairie Ridge to Oklahoma City (Oklahoma) | 1,501.61 mi (2,416.62 km) |
| Prairie Ridge to Okmulgee (Oklahoma) | 1,560.70 mi (2,511.70 km) |
| Prairie Ridge to Olathe (Kansas) | 1,483.92 mi (2,388.13 km) |
| Prairie Ridge to Old Jamestown (Missouri) | 1,695.12 mi (2,728.03 km) |
| Prairie Ridge to Oldsmar (Florida) | 2,493.56 mi (4,013.00 km) |
| Prairie Ridge to Olean (New York) | 2,149.32 mi (3,459.00 km) |
| Prairie Ridge to Olive Branch (Mississippi) | 1,863.34 mi (2,998.75 km) |
| Prairie Ridge to Olivehurst (California) | 557.96 mi (897.95 km) |
| Prairie Ridge to Olney (Maryland) | 2,304.28 mi (3,708.38 km) |
