| Duncan to Eagle (Idaho) | 1,171.40 mi (1,885.19 km) |
| Duncan to Eagle Mountain (Utah) | 868.48 mi (1,397.69 km) |
| Duncan to Eagle Pass (Texas) | 429.94 mi (691.92 km) |
| Duncan to Easley (South Carolina) | 870.89 mi (1,401.56 km) |
| Duncan to East Bakersfield (California) | 1,191.27 mi (1,917.17 km) |
| Duncan to East Bethel (Minnesota) | 787.54 mi (1,267.42 km) |
| Duncan to East Chicago (Indiana) | 750.65 mi (1,208.06 km) |
| Duncan to East Cleveland (Ohio) | 1,009.65 mi (1,624.87 km) |
| Duncan to East Glenville (New York) | 1,409.47 mi (2,268.32 km) |
| Duncan to East Grand Rapids (Michigan) | 880.10 mi (1,416.39 km) |
| Duncan to East Hemet (California) | 1,087.55 mi (1,750.25 km) |
| Duncan to East Highland Park (Virginia) | 1,163.57 mi (1,872.59 km) |
| Duncan to East Honolulu (Hawaii) | 3,710.40 mi (5,971.32 km) |
| Duncan to East Islip (New York) | 1,413.75 mi (2,275.20 km) |
| Duncan to East Lake (Florida) | 1,001.06 mi (1,611.05 km) |
