| Portchester to Saint Ives | 196.38 mi (316.04 km) |
| Portchester to Saint Neots | 102.49 mi (164.95 km) |
| Portchester to Sale | 185.53 mi (298.59 km) |
| Portchester to Salford | 189.12 mi (304.36 km) |
| Portchester to Salisbury | 33.14 mi (53.34 km) |
| Portchester to Saltash | 138.80 mi (223.37 km) |
| Portchester to Saltcoats | 364.16 mi (586.06 km) |
| Portchester to Sandbach | 167.79 mi (270.03 km) |
| Portchester to Sanderstead | 56.52 mi (90.95 km) |
| Portchester to Sandhurst | 37.68 mi (60.64 km) |
| Portchester to Sandiacre | 143.97 mi (231.69 km) |
| Portchester to Sandown | 13.00 mi (20.92 km) |
| Portchester to Sandridge | 73.82 mi (118.81 km) |
| Portchester to Sandy | 95.84 mi (154.24 km) |
| Portchester to Scarborough | 239.26 mi (385.06 km) |
