| Progress to Orangeburg (South Carolina) | 519.56 mi (836.15 km) |
| Progress to Orangevale (California) | 2,344.18 mi (3,772.60 km) |
| Progress to Orchards (Washington) | 2,307.16 mi (3,713.01 km) |
| Progress to Orcutt (California) | 2,391.33 mi (3,848.48 km) |
| Progress to Oregon (Ohio) | 356.47 mi (573.69 km) |
| Progress to Oregon (Wisconsin) | 672.69 mi (1,082.59 km) |
| Progress to Oregon City (Oregon) | 2,313.31 mi (3,722.92 km) |
| Progress to Orem (Utah) | 1,825.03 mi (2,937.10 km) |
| Progress to Orinda (California) | 2,410.69 mi (3,879.64 km) |
| Progress to Orland Park (Illinois) | 581.96 mi (936.57 km) |
| Progress to Orlando (Florida) | 855.19 mi (1,376.30 km) |
| Progress to Ormond Beach (Florida) | 796.74 mi (1,282.22 km) |
| Progress to Oro Valley (Arizona) | 1,962.34 mi (3,158.08 km) |
| Progress to Oroville (California) | 2,345.80 mi (3,775.20 km) |
| Progress to Oshkosh (Wisconsin) | 652.70 mi (1,050.41 km) |
