| Prairie Ridge to Orangeburg (South Carolina) | 2,336.42 mi (3,760.11 km) |
| Prairie Ridge to Orangevale (California) | 586.07 mi (943.19 km) |
| Prairie Ridge to Orchards (Washington) | 102.22 mi (164.50 km) |
| Prairie Ridge to Orcutt (California) | 852.76 mi (1,372.39 km) |
| Prairie Ridge to Oregon (Ohio) | 1,927.62 mi (3,102.21 km) |
| Prairie Ridge to Oregon (Wisconsin) | 1,613.20 mi (2,596.19 km) |
| Prairie Ridge to Oregon City (Oregon) | 126.36 mi (203.36 km) |
| Prairie Ridge to Orem (Utah) | 702.85 mi (1,131.13 km) |
| Prairie Ridge to Orinda (California) | 640.01 mi (1,030.00 km) |
| Prairie Ridge to Orland Park (Illinois) | 1,720.83 mi (2,769.41 km) |
| Prairie Ridge to Orlando (Florida) | 2,533.66 mi (4,077.53 km) |
| Prairie Ridge to Ormond Beach (Florida) | 2,506.78 mi (4,034.27 km) |
| Prairie Ridge to Oro Valley (Arizona) | 1,174.64 mi (1,890.39 km) |
| Prairie Ridge to Oroville (California) | 528.93 mi (851.24 km) |
| Prairie Ridge to Oshkosh (Wisconsin) | 1,625.27 mi (2,615.61 km) |
