| Flagstaff to Stephenville (Texas) | 796.39 mi (1,281.66 km) |
| Flagstaff to Sterling (Colorado) | 592.79 mi (954.00 km) |
| Flagstaff to Sterling (Illinois) | 1,266.15 mi (2,037.68 km) |
| Flagstaff to Sterling (Virginia) | 1,892.68 mi (3,045.97 km) |
| Flagstaff to Sterling Heights (Michigan) | 1,611.20 mi (2,592.97 km) |
| Flagstaff to Steubenville (Ohio) | 1,719.35 mi (2,767.03 km) |
| Flagstaff to Stevens Point (Wisconsin) | 1,330.38 mi (2,141.05 km) |
| Flagstaff to Stevenson Ranch (California) | 399.18 mi (642.42 km) |
| Flagstaff to Stillwater (Minnesota) | 1,199.62 mi (1,930.60 km) |
| Flagstaff to Stillwater (Oklahoma) | 818.37 mi (1,317.05 km) |
| Flagstaff to Stockbridge (Georgia) | 1,561.59 mi (2,513.14 km) |
| Flagstaff to Stockton (California) | 570.85 mi (918.70 km) |
| Flagstaff to Stone Ridge (Virginia) | 1,884.85 mi (3,033.38 km) |
| Flagstaff to Stonecrest (Georgia) | 1,564.56 mi (2,517.91 km) |
| Flagstaff to Stony Brook (New York) | 2,113.80 mi (3,401.84 km) |
