| Boise to Enumclaw (Washington) | 373.94 mi (601.80 km) |
| Boise to Ephrata (Pennsylvania) | 2,053.35 mi (3,304.55 km) |
| Boise to Erie (Colorado) | 625.87 mi (1,007.24 km) |
| Boise to Erie (Pennsylvania) | 1,819.67 mi (2,928.48 km) |
| Boise to Erlanger (Kentucky) | 1,662.26 mi (2,675.14 km) |
| Boise to Escanaba (Michigan) | 1,431.45 mi (2,303.70 km) |
| Boise to Escondido (California) | 724.53 mi (1,166.02 km) |
| Boise to Española (New Mexico) | 751.54 mi (1,209.48 km) |
| Boise to Essex (Maryland) | 2,061.67 mi (3,317.93 km) |
| Boise to Essex Junction (Vermont) | 2,117.08 mi (3,407.11 km) |
| Boise to Estelle (Louisiana) | 1,719.63 mi (2,767.48 km) |
| Boise to Estero (Florida) | 2,257.39 mi (3,632.92 km) |
| Boise to Euclid (Ohio) | 1,758.14 mi (2,829.46 km) |
| Boise to Eufaula (Alabama) | 1,865.49 mi (3,002.22 km) |
| Boise to Eugene (Oregon) | 344.60 mi (554.58 km) |
