| Duncan to Garden Acres (California) | 1,316.44 mi (2,118.60 km) |
| Duncan to Garden City (Georgia) | 980.36 mi (1,577.74 km) |
| Duncan to Garden City (Idaho) | 1,164.23 mi (1,873.65 km) |
| Duncan to Garden City (Kansas) | 288.03 mi (463.53 km) |
| Duncan to Garden City (Michigan) | 952.83 mi (1,533.43 km) |
| Duncan to Garden City (New York) | 1,390.14 mi (2,237.21 km) |
| Duncan to Garden City (South Carolina) | 1,082.98 mi (1,742.89 km) |
| Duncan to Garden Grove (California) | 1,145.00 mi (1,842.70 km) |
| Duncan to Gardena (California) | 1,163.60 mi (1,872.63 km) |
| Duncan to Gardendale (Alabama) | 638.40 mi (1,027.41 km) |
| Duncan to Gardere (Louisiana) | 489.79 mi (788.25 km) |
| Duncan to Gardner (Kansas) | 338.51 mi (544.78 km) |
| Duncan to Gardner (Massachusetts) | 1,499.85 mi (2,413.77 km) |
| Duncan to Gardnerville Ranchos (Nevada) | 1,242.48 mi (1,999.58 km) |
| Duncan to Garfield (New Jersey) | 1,368.22 mi (2,201.93 km) |
