| Delaware to Worthington (Ohio) | 13.43 mi (21.62 km) |
| Delaware to Wright (Florida) | 708.84 mi (1,140.76 km) |
| Delaware to Wyandanch (New York) | 510.81 mi (822.07 km) |
| Delaware to Wyandotte (Michigan) | 133.16 mi (214.29 km) |
| Delaware to Wylie (Texas) | 896.12 mi (1,442.17 km) |
| Delaware to Wyndham (Virginia) | 343.60 mi (552.96 km) |
| Delaware to Wyoming (Michigan) | 225.63 mi (363.11 km) |
| Delaware to Wyomissing (Pennsylvania) | 374.20 mi (602.22 km) |
| Delaware to Xenia (Ohio) | 61.96 mi (99.71 km) |
| Delaware to Yakima (Washington) | 1,910.78 mi (3,075.11 km) |
| Delaware to Yankton (South Dakota) | 760.49 mi (1,223.90 km) |
| Delaware to Yauco (Puerto Rico) | 1,815.33 mi (2,921.50 km) |
| Delaware to Yazoo City (Mississippi) | 654.18 mi (1,052.80 km) |
| Delaware to Yeadon (Pennsylvania) | 413.90 mi (666.10 km) |
| Delaware to Yelm (Washington) | 2,008.64 mi (3,232.60 km) |
