| Grimes to Odessa (Texas) | 824.96 mi (1,327.64 km) |
| Grimes to Ogden (Utah) | 939.89 mi (1,512.61 km) |
| Grimes to Oildale (California) | 1,424.27 mi (2,292.15 km) |
| Grimes to Ojus (Florida) | 1,335.12 mi (2,148.66 km) |
| Grimes to Okemos (Michigan) | 485.20 mi (780.85 km) |
| Grimes to Oklahoma City (Oklahoma) | 473.66 mi (762.28 km) |
| Grimes to Okmulgee (Oklahoma) | 435.64 mi (701.10 km) |
| Grimes to Olathe (Kansas) | 200.50 mi (322.68 km) |
| Grimes to Old Jamestown (Missouri) | 269.61 mi (433.89 km) |
| Grimes to Oldsmar (Florida) | 1,131.05 mi (1,820.24 km) |
| Grimes to Olean (New York) | 789.73 mi (1,270.95 km) |
| Grimes to Olive Branch (Mississippi) | 510.90 mi (822.22 km) |
| Grimes to Olivehurst (California) | 1,465.78 mi (2,358.94 km) |
| Grimes to Olney (Maryland) | 895.47 mi (1,441.12 km) |
| Grimes to Olympia (Washington) | 1,475.20 mi (2,374.11 km) |
