| Harrow to Sentrupert | 800.22 mi (1,287.83 km) |
| Harrow to Sevnica | 807.46 mi (1,299.48 km) |
| Harrow to Sezana | 763.75 mi (1,229.13 km) |
| Harrow to Skocjan | 810.95 mi (1,305.09 km) |
| Harrow to Skofja Loka | 761.72 mi (1,225.87 km) |
| Harrow to Skofljica | 779.72 mi (1,254.83 km) |
| Harrow to Slovenj Gradec | 779.52 mi (1,254.52 km) |
| Harrow to Slovenska Bistrica | 803.87 mi (1,293.70 km) |
| Harrow to Slovenske Konjice | 799.70 mi (1,286.99 km) |
| Harrow to Smarje | 807.63 mi (1,299.76 km) |
| Harrow to Smarjeske Toplice | 809.94 mi (1,303.47 km) |
| Harrow to Smartno | 787.98 mi (1,268.13 km) |
| Harrow to Smartno | 784.37 mi (1,262.32 km) |
| Harrow to Sodrazica | 790.99 mi (1,272.98 km) |
| Harrow to Solcava | 767.36 mi (1,234.94 km) |
