| Marshall to Orangevale (California) | 1,561.62 mi (2,513.18 km) |
| Marshall to Orchards (Washington) | 1,749.11 mi (2,814.91 km) |
| Marshall to Orcutt (California) | 1,502.94 mi (2,418.75 km) |
| Marshall to Oregon (Ohio) | 869.67 mi (1,399.61 km) |
| Marshall to Oregon (Wisconsin) | 766.90 mi (1,234.20 km) |
| Marshall to Oregon City (Oregon) | 1,743.29 mi (2,805.56 km) |
| Marshall to Orem (Utah) | 1,100.74 mi (1,771.47 km) |
| Marshall to Orinda (California) | 1,607.29 mi (2,586.69 km) |
| Marshall to Orland Park (Illinois) | 721.10 mi (1,160.49 km) |
| Marshall to Orlando (Florida) | 823.23 mi (1,324.86 km) |
| Marshall to Ormond Beach (Florida) | 816.00 mi (1,313.23 km) |
| Marshall to Oro Valley (Arizona) | 968.07 mi (1,557.96 km) |
| Marshall to Oroville (California) | 1,587.91 mi (2,555.49 km) |
| Marshall to Oshkosh (Wisconsin) | 852.88 mi (1,372.57 km) |
| Marshall to Oskaloosa (Iowa) | 612.23 mi (985.29 km) |
