| Gretna to Shoreham-by-Sea | 4,637.89 mi (7,463.96 km) |
| Gretna to Shotley Bridge | 4,486.98 mi (7,221.09 km) |
| Gretna to Shrewsbury | 4,496.12 mi (7,235.81 km) |
| Gretna to Sidcup | 4,639.32 mi (7,466.26 km) |
| Gretna to Sidmouth | 4,518.63 mi (7,272.02 km) |
| Gretna to Sileby | 4,561.28 mi (7,340.66 km) |
| Gretna to Sittingbourne | 4,667.19 mi (7,511.12 km) |
| Gretna to Skegness | 4,609.13 mi (7,417.68 km) |
| Gretna to Skelmersdale | 4,478.15 mi (7,206.88 km) |
| Gretna to Skipton | 4,499.44 mi (7,241.14 km) |
| Gretna to Sleaford | 4,582.81 mi (7,375.32 km) |
| Gretna to Slough | 4,609.42 mi (7,418.14 km) |
| Gretna to Small Heath | 4,537.25 mi (7,302.01 km) |
| Gretna to Smethwick | 4,532.03 mi (7,293.60 km) |
| Gretna to Snaresbrook | 4,632.01 mi (7,454.50 km) |
