| Grimes to Orangevale (California) | 1,456.12 mi (2,343.39 km) |
| Grimes to Orchards (Washington) | 1,454.11 mi (2,340.16 km) |
| Grimes to Orcutt (California) | 1,511.90 mi (2,433.16 km) |
| Grimes to Oregon (Ohio) | 534.55 mi (860.28 km) |
| Grimes to Oregon (Wisconsin) | 241.03 mi (387.89 km) |
| Grimes to Oregon City (Oregon) | 1,457.02 mi (2,344.85 km) |
| Grimes to Orem (Utah) | 936.96 mi (1,507.90 km) |
| Grimes to Orinda (California) | 1,522.71 mi (2,450.56 km) |
| Grimes to Orland Park (Illinois) | 306.31 mi (492.96 km) |
| Grimes to Orlando (Florida) | 1,149.77 mi (1,850.37 km) |
| Grimes to Ormond Beach (Florida) | 1,111.67 mi (1,789.06 km) |
| Grimes to Oro Valley (Arizona) | 1,139.77 mi (1,834.29 km) |
| Grimes to Oroville (California) | 1,458.39 mi (2,347.06 km) |
| Grimes to Oshkosh (Wisconsin) | 310.56 mi (499.80 km) |
| Grimes to Oskaloosa (Iowa) | 65.42 mi (105.28 km) |
