| Potomac to Stone | 3,555.63 mi (5,722.23 km) |
| Potomac to Stonehaven | 3,481.97 mi (5,603.68 km) |
| Potomac to Stourbridge | 3,564.39 mi (5,736.33 km) |
| Potomac to Stowmarket | 3,696.61 mi (5,949.12 km) |
| Potomac to Stranraer | 3,407.54 mi (5,483.91 km) |
| Potomac to Stratford | 3,670.54 mi (5,907.17 km) |
| Potomac to Stratford-upon-Avon | 3,587.55 mi (5,773.60 km) |
| Potomac to Stratton Saint Margaret | 3,597.79 mi (5,790.08 km) |
| Potomac to Streatham | 3,668.15 mi (5,903.32 km) |
| Potomac to Street | 3,567.18 mi (5,740.81 km) |
| Potomac to Streetly | 3,572.65 mi (5,749.62 km) |
| Potomac to Stretford | 3,538.87 mi (5,695.26 km) |
| Potomac to Strood | 3,693.45 mi (5,944.04 km) |
| Potomac to Stroud | 3,576.00 mi (5,755.02 km) |
| Potomac to Sudbury | 3,657.37 mi (5,885.97 km) |
