| Alken to Security-Widefield (Colorado) | 4,941.11 mi (7,951.95 km) |
| Alken to Sedalia (Missouri) | 4,537.42 mi (7,302.27 km) |
| Alken to Sedro-Woolley (Washington) | 4,902.05 mi (7,889.08 km) |
| Alken to Seguin (Texas) | 5,189.20 mi (8,351.20 km) |
| Alken to Selden (New York) | 3,651.30 mi (5,876.20 km) |
| Alken to Selma (Alabama) | 4,614.69 mi (7,426.63 km) |
| Alken to Selma (California) | 5,533.57 mi (8,905.43 km) |
| Alken to Selma (Texas) | 5,202.51 mi (8,372.63 km) |
| Alken to Seminole (Florida) | 4,671.37 mi (7,517.85 km) |
| Alken to Seven Hills (Ohio) | 3,970.67 mi (6,390.18 km) |
| Alken to Seven Oaks (South Carolina) | 4,296.17 mi (6,914.02 km) |
| Alken to Severn (Maryland) | 3,876.21 mi (6,238.16 km) |
| Alken to Severna Park (Maryland) | 3,873.30 mi (6,233.47 km) |
| Alken to Sevierville (Tennessee) | 4,304.75 mi (6,927.82 km) |
| Alken to Seymour (Indiana) | 4,248.17 mi (6,836.76 km) |
