| Garden Grove to Odessa (Texas) | 915.13 mi (1,472.75 km) |
| Garden Grove to Ogden (Utah) | 610.18 mi (981.99 km) |
| Garden Grove to Oildale (California) | 129.28 mi (208.05 km) |
| Garden Grove to Ojus (Florida) | 2,314.73 mi (3,725.19 km) |
| Garden Grove to Okemos (Michigan) | 1,907.43 mi (3,069.71 km) |
| Garden Grove to Oklahoma City (Oklahoma) | 1,166.28 mi (1,876.94 km) |
| Garden Grove to Okmulgee (Oklahoma) | 1,250.92 mi (2,013.17 km) |
| Garden Grove to Olathe (Kansas) | 1,331.37 mi (2,142.63 km) |
| Garden Grove to Old Jamestown (Missouri) | 1,573.60 mi (2,532.46 km) |
| Garden Grove to Oldsmar (Florida) | 2,118.42 mi (3,409.27 km) |
| Garden Grove to Olean (New York) | 2,208.05 mi (3,553.51 km) |
| Garden Grove to Olive Branch (Mississippi) | 1,600.12 mi (2,575.14 km) |
| Garden Grove to Olivehurst (California) | 417.17 mi (671.38 km) |
| Garden Grove to Olney (Maryland) | 2,282.64 mi (3,673.56 km) |
| Garden Grove to Olympia (Washington) | 951.95 mi (1,532.02 km) |
