| Didcot to Superior (Colorado) | 4,638.62 mi (7,465.13 km) |
| Didcot to Superior (Wisconsin) | 3,845.80 mi (6,189.22 km) |
| Didcot to Surprise (Arizona) | 5,227.60 mi (8,413.02 km) |
| Didcot to Susanville (California) | 5,110.28 mi (8,224.20 km) |
| Didcot to Sussex (Wisconsin) | 3,866.65 mi (6,222.77 km) |
| Didcot to Suwanee (Georgia) | 4,131.43 mi (6,648.90 km) |
| Didcot to Swansea (Illinois) | 4,149.79 mi (6,678.44 km) |
| Didcot to Sweetwater (Florida) | 4,387.11 mi (7,060.37 km) |
| Didcot to Sweetwater (Texas) | 4,856.52 mi (7,815.82 km) |
| Didcot to Sycamore (Illinois) | 3,936.61 mi (6,335.36 km) |
| Didcot to Sylacauga (Alabama) | 4,263.30 mi (6,861.12 km) |
| Didcot to Sylvania (Ohio) | 3,758.04 mi (6,047.98 km) |
| Didcot to Syosset (New York) | 3,388.52 mi (5,453.30 km) |
| Didcot to Syracuse (New York) | 3,400.77 mi (5,473.02 km) |
| Didcot to Syracuse (Utah) | 4,808.66 mi (7,738.79 km) |
