| Forney to Superior (Colorado) | 693.25 mi (1,115.68 km) |
| Forney to Superior (Wisconsin) | 991.03 mi (1,594.91 km) |
| Forney to Surprise (Arizona) | 926.16 mi (1,490.51 km) |
| Forney to Susanville (California) | 1,435.78 mi (2,310.67 km) |
| Forney to Sussex (Wisconsin) | 845.49 mi (1,360.69 km) |
| Forney to Suwanee (Georgia) | 719.61 mi (1,158.09 km) |
| Forney to Swansea (Illinois) | 540.81 mi (870.35 km) |
| Forney to Sweetwater (Florida) | 1,080.27 mi (1,738.52 km) |
| Forney to Sweetwater (Texas) | 231.04 mi (371.82 km) |
| Forney to Sycamore (Illinois) | 767.79 mi (1,235.63 km) |
| Forney to Sylacauga (Alabama) | 591.40 mi (951.77 km) |
| Forney to Sylvania (Ohio) | 933.71 mi (1,502.66 km) |
| Forney to Syosset (New York) | 1,381.75 mi (2,223.70 km) |
| Forney to Syracuse (New York) | 1,310.81 mi (2,109.55 km) |
| Forney to Syracuse (Utah) | 1,035.01 mi (1,665.69 km) |
