| McDonough to Security-Widefield (Colorado) | 1,202.19 mi (1,934.75 km) |
| McDonough to Sedalia (Missouri) | 623.75 mi (1,003.83 km) |
| McDonough to Sedro-Woolley (Washington) | 2,211.89 mi (3,559.70 km) |
| McDonough to Seguin (Texas) | 855.42 mi (1,376.67 km) |
| McDonough to Selden (New York) | 797.30 mi (1,283.13 km) |
| McDonough to Selma (Alabama) | 181.52 mi (292.13 km) |
| McDonough to Selma (California) | 2,007.31 mi (3,230.46 km) |
| McDonough to Selma (Texas) | 874.81 mi (1,407.87 km) |
| McDonough to Seminole (Florida) | 395.09 mi (635.83 km) |
| McDonough to Seven Hills (Ohio) | 565.16 mi (909.53 km) |
| McDonough to Seven Oaks (South Carolina) | 177.78 mi (286.12 km) |
| McDonough to Severn (Maryland) | 571.66 mi (920.00 km) |
| McDonough to Severna Park (Maryland) | 574.62 mi (924.76 km) |
| McDonough to Sevierville (Tennessee) | 172.32 mi (277.32 km) |
| McDonough to Seymour (Indiana) | 392.72 mi (632.02 km) |
