| Duncan to Punta Gorda (Florida) | 1,078.69 mi (1,735.98 km) |
| Duncan to Puyallup (Washington) | 1,533.68 mi (2,468.22 km) |
| Duncan to Queen Creek (Arizona) | 789.96 mi (1,271.31 km) |
| Duncan to Queens (New York) | 1,382.54 mi (2,224.99 km) |
| Duncan to Quincy (Illinois) | 517.69 mi (833.15 km) |
| Duncan to Quincy (Massachusetts) | 1,543.25 mi (2,483.62 km) |
| Duncan to Raceland (Louisiana) | 540.33 mi (869.58 km) |
| Duncan to Racine (Wisconsin) | 784.72 mi (1,262.89 km) |
| Duncan to Radcliff (Kentucky) | 705.13 mi (1,134.80 km) |
| Duncan to Radford (Virginia) | 987.36 mi (1,589.01 km) |
| Duncan to Rahway (New Jersey) | 1,355.88 mi (2,182.08 km) |
| Duncan to Raleigh (North Carolina) | 1,090.52 mi (1,755.02 km) |
| Duncan to Ramona (California) | 1,091.66 mi (1,756.86 km) |
| Duncan to Ramsey (Minnesota) | 777.41 mi (1,251.12 km) |
| Duncan to Ramsey (New Jersey) | 1,368.76 mi (2,202.80 km) |
