| Duncan to East Rancho Dominguez (California) | 1,157.25 mi (1,862.42 km) |
| Duncan to East Renton Highlands (Washington) | 1,534.06 mi (2,468.83 km) |
| Duncan to East Ridge (Tennessee) | 720.62 mi (1,159.73 km) |
| Duncan to East Riverdale (Maryland) | 1,199.55 mi (1,930.49 km) |
| Duncan to East San Gabriel (California) | 1,148.63 mi (1,848.55 km) |
| Duncan to East St. Louis (Illinois) | 515.58 mi (829.75 km) |
| Duncan to East Wenatchee (Washington) | 1,458.00 mi (2,346.42 km) |
| Duncan to Eastern Goleta Valley (California) | 1,242.79 mi (2,000.07 km) |
| Duncan to Eastlake (Ohio) | 1,020.09 mi (1,641.68 km) |
| Duncan to Eastmont (Washington) | 1,551.48 mi (2,496.87 km) |
| Duncan to Easton (Maryland) | 1,242.73 mi (1,999.98 km) |
| Duncan to Easton (Pennsylvania) | 1,308.53 mi (2,105.88 km) |
| Duncan to Eastpointe (Michigan) | 975.19 mi (1,569.41 km) |
| Duncan to Eastvale (California) | 1,121.68 mi (1,805.17 km) |
| Duncan to Eatontown (New Jersey) | 1,363.78 mi (2,194.80 km) |
