| DeForest to Oakley (California) | 1,723.71 mi (2,774.04 km) |
| DeForest to Oakton (Virginia) | 694.47 mi (1,117.65 km) |
| DeForest to Oakville (Missouri) | 334.33 mi (538.06 km) |
| DeForest to Oatfield (Oregon) | 1,638.78 mi (2,637.36 km) |
| DeForest to Ocala (Florida) | 1,049.41 mi (1,688.86 km) |
| DeForest to Ocean Acres (New Jersey) | 814.67 mi (1,311.08 km) |
| DeForest to Ocean City (New Jersey) | 811.88 mi (1,306.60 km) |
| DeForest to Ocean Pines (Maryland) | 812.92 mi (1,308.27 km) |
| DeForest to Ocean Pointe (Hawaii) | 4,165.30 mi (6,703.40 km) |
| DeForest to Ocean Springs (Mississippi) | 886.44 mi (1,426.58 km) |
| DeForest to Oceanside (California) | 1,657.50 mi (2,667.49 km) |
| DeForest to Oceanside (New York) | 825.72 mi (1,328.86 km) |
| DeForest to Ocoee (Florida) | 1,101.32 mi (1,772.40 km) |
| DeForest to Oconomowoc (Wisconsin) | 43.69 mi (70.31 km) |
| DeForest to Odenton (Maryland) | 717.29 mi (1,154.36 km) |
