| Duncan to New Britain (Connecticut) | 1,446.36 mi (2,327.69 km) |
| Duncan to New Brunswick (New Jersey) | 1,345.90 mi (2,166.01 km) |
| Duncan to New Carrollton (Maryland) | 1,201.38 mi (1,933.44 km) |
| Duncan to New Cassel (New York) | 1,394.66 mi (2,244.49 km) |
| Duncan to New Castle (Indiana) | 783.10 mi (1,260.27 km) |
| Duncan to New Castle (Pennsylvania) | 1,055.91 mi (1,699.32 km) |
| Duncan to New City (New York) | 1,377.93 mi (2,217.57 km) |
| Duncan to New Franklin (Ohio) | 994.29 mi (1,600.15 km) |
| Duncan to New Haven (Connecticut) | 1,434.41 mi (2,308.45 km) |
| Duncan to New Haven (Indiana) | 835.06 mi (1,343.89 km) |
| Duncan to New Hope (Minnesota) | 763.83 mi (1,229.27 km) |
| Duncan to New Hyde Park (New York) | 1,388.09 mi (2,233.92 km) |
| Duncan to New Iberia (Louisiana) | 474.43 mi (763.52 km) |
| Duncan to New Kensington (Pennsylvania) | 1,076.29 mi (1,732.12 km) |
| Duncan to New Kingman-Butler (Arizona) | 911.98 mi (1,467.69 km) |
