| Oconomowoc to Decatur (Alabama) | 594.63 mi (956.97 km) |
| Oconomowoc to Decatur (Georgia) | 683.17 mi (1,099.46 km) |
| Oconomowoc to Decatur (Illinois) | 225.28 mi (362.56 km) |
| Oconomowoc to Deer Park (New York) | 795.29 mi (1,279.89 km) |
| Oconomowoc to Deer Park (Texas) | 996.16 mi (1,603.17 km) |
| Oconomowoc to Deerfield (Illinois) | 72.35 mi (116.44 km) |
| Oconomowoc to Deerfield Beach (Florida) | 1,252.32 mi (2,015.42 km) |
| Oconomowoc to Defiance (Ohio) | 245.85 mi (395.66 km) |
| Oconomowoc to DeForest (Wisconsin) | 43.69 mi (70.31 km) |
| Oconomowoc to DeKalb (Illinois) | 81.74 mi (131.55 km) |
| Oconomowoc to Del Aire (California) | 1,723.96 mi (2,774.45 km) |
| Oconomowoc to Del City (Oklahoma) | 712.20 mi (1,146.17 km) |
| Oconomowoc to Del Rio (Texas) | 1,170.29 mi (1,883.41 km) |
| Oconomowoc to DeLand (Florida) | 1,051.61 mi (1,692.40 km) |
| Oconomowoc to Delano (California) | 1,707.40 mi (2,747.79 km) |
