| Flagstaff to Security-Widefield (Colorado) | 453.52 mi (729.86 km) |
| Flagstaff to Sedalia (Missouri) | 1,041.97 mi (1,676.89 km) |
| Flagstaff to Sedro-Woolley (Washington) | 1,068.12 mi (1,718.97 km) |
| Flagstaff to Seguin (Texas) | 884.34 mi (1,423.21 km) |
| Flagstaff to Selden (New York) | 2,118.12 mi (3,408.79 km) |
| Flagstaff to Selma (Alabama) | 1,420.81 mi (2,286.58 km) |
| Flagstaff to Selma (California) | 457.53 mi (736.33 km) |
| Flagstaff to Selma (Texas) | 866.39 mi (1,394.33 km) |
| Flagstaff to Seminole (Florida) | 1,765.47 mi (2,841.25 km) |
| Flagstaff to Seven Hills (Ohio) | 1,670.36 mi (2,688.18 km) |
| Flagstaff to Seven Oaks (South Carolina) | 1,727.91 mi (2,780.81 km) |
| Flagstaff to Severn (Maryland) | 1,930.24 mi (3,106.41 km) |
| Flagstaff to Severna Park (Maryland) | 1,937.21 mi (3,117.63 km) |
| Flagstaff to Sevierville (Tennessee) | 1,572.49 mi (2,530.67 km) |
| Flagstaff to Seymour (Indiana) | 1,437.04 mi (2,312.70 km) |
