| Delaware to Somersworth (New Hampshire) | 660.01 mi (1,062.18 km) |
| Delaware to Somerton (Arizona) | 1,825.21 mi (2,937.38 km) |
| Delaware to Somerville (Massachusetts) | 637.33 mi (1,025.68 km) |
| Delaware to Somerville (New Jersey) | 445.48 mi (716.93 km) |
| Delaware to Sonoma (California) | 2,093.37 mi (3,368.95 km) |
| Delaware to Soquel (California) | 2,093.32 mi (3,368.87 km) |
| Delaware to South Bend (Indiana) | 192.40 mi (309.64 km) |
| Delaware to South Bradenton (Florida) | 886.49 mi (1,426.67 km) |
| Delaware to South Burlington (Vermont) | 579.32 mi (932.32 km) |
| Delaware to South Charleston (West Virginia) | 152.60 mi (245.58 km) |
| Delaware to South Daytona (Florida) | 777.14 mi (1,250.68 km) |
| Delaware to South El Monte (California) | 1,959.82 mi (3,154.02 km) |
| Delaware to South Elgin (Illinois) | 296.95 mi (477.89 km) |
| Delaware to South Euclid (Ohio) | 117.79 mi (189.57 km) |
| Delaware to South Farmingdale (New York) | 506.40 mi (814.97 km) |
