| Duncan to Euless (Texas) | 126.39 mi (203.40 km) |
| Duncan to Eureka (California) | 1,492.04 mi (2,401.21 km) |
| Duncan to Eureka (Missouri) | 487.50 mi (784.56 km) |
| Duncan to Eustis (Florida) | 1,030.96 mi (1,659.17 km) |
| Duncan to Evans (Colorado) | 549.02 mi (883.57 km) |
| Duncan to Evans (Georgia) | 905.32 mi (1,456.97 km) |
| Duncan to Evanston (Illinois) | 758.24 mi (1,220.27 km) |
| Duncan to Evanston (Wyoming) | 847.80 mi (1,364.40 km) |
| Duncan to Evansville (Indiana) | 625.31 mi (1,006.34 km) |
| Duncan to Everett (Massachusetts) | 1,543.60 mi (2,484.18 km) |
| Duncan to Everett (Washington) | 1,552.66 mi (2,498.76 km) |
| Duncan to Evergreen Park (Illinois) | 743.78 mi (1,197.00 km) |
| Duncan to Ewa Beach (Hawaii) | 3,726.01 mi (5,996.43 km) |
| Duncan to Ewa Gentry (Hawaii) | 3,726.56 mi (5,997.31 km) |
| Duncan to Excelsior Springs (Missouri) | 388.81 mi (625.73 km) |
