| Duncan to Pittsburg (Kansas) | 268.02 mi (431.34 km) |
| Duncan to Pittsburgh (Pennsylvania) | 1,062.39 mi (1,709.75 km) |
| Duncan to Pittsfield (Massachusetts) | 1,434.65 mi (2,308.84 km) |
| Duncan to Placentia (California) | 1,138.06 mi (1,831.52 km) |
| Duncan to Placerville (California) | 1,297.28 mi (2,087.77 km) |
| Duncan to Plainfield (Illinois) | 718.41 mi (1,156.18 km) |
| Duncan to Plainfield (Indiana) | 728.37 mi (1,172.20 km) |
| Duncan to Plainfield (New Jersey) | 1,349.01 mi (2,171.03 km) |
| Duncan to Plainview (New York) | 1,399.66 mi (2,252.54 km) |
| Duncan to Plainview (Texas) | 218.17 mi (351.11 km) |
| Duncan to Plano (Illinois) | 708.92 mi (1,140.90 km) |
| Duncan to Plano (Texas) | 123.05 mi (198.03 km) |
| Duncan to Plant City (Florida) | 1,034.67 mi (1,665.15 km) |
| Duncan to Plantation (Florida) | 1,200.34 mi (1,931.77 km) |
| Duncan to Platteville (Wisconsin) | 693.49 mi (1,116.06 km) |
