| Mackworth to Security-Widefield (Colorado) | 4,622.82 mi (7,439.72 km) |
| Mackworth to Sedalia (Missouri) | 4,213.82 mi (6,781.49 km) |
| Mackworth to Sedro-Woolley (Washington) | 4,615.96 mi (7,428.66 km) |
| Mackworth to Seguin (Texas) | 4,864.96 mi (7,829.39 km) |
| Mackworth to Selden (New York) | 3,329.56 mi (5,358.41 km) |
| Mackworth to Selma (Alabama) | 4,291.82 mi (6,907.02 km) |
| Mackworth to Selma (California) | 5,228.18 mi (8,413.95 km) |
| Mackworth to Selma (Texas) | 4,878.28 mi (7,850.84 km) |
| Mackworth to Seminole (Florida) | 4,353.85 mi (7,006.85 km) |
| Mackworth to Seven Hills (Ohio) | 3,646.51 mi (5,868.50 km) |
| Mackworth to Seven Oaks (South Carolina) | 3,975.08 mi (6,397.27 km) |
| Mackworth to Severn (Maryland) | 3,554.05 mi (5,719.69 km) |
| Mackworth to Severna Park (Maryland) | 3,551.22 mi (5,715.13 km) |
| Mackworth to Sevierville (Tennessee) | 3,981.68 mi (6,407.89 km) |
| Mackworth to Seymour (Indiana) | 3,923.96 mi (6,315.00 km) |
