| Grefrath to Sevnica | 549.49 mi (884.32 km) |
| Grefrath to Sezana | 519.29 mi (835.72 km) |
| Grefrath to Skocjan | 554.11 mi (891.76 km) |
| Grefrath to Skofja Loka | 508.49 mi (818.34 km) |
| Grefrath to Skofljica | 526.69 mi (847.62 km) |
| Grefrath to Slovenj Gradec | 517.67 mi (833.10 km) |
| Grefrath to Slovenska Bistrica | 540.55 mi (869.94 km) |
| Grefrath to Slovenske Konjice | 537.70 mi (865.35 km) |
| Grefrath to Smarje | 546.23 mi (879.07 km) |
| Grefrath to Smarjeske Toplice | 554.00 mi (891.58 km) |
| Grefrath to Smartno | 532.48 mi (856.94 km) |
| Grefrath to Smartno | 524.66 mi (844.36 km) |
| Grefrath to Sodrazica | 540.03 mi (869.09 km) |
| Grefrath to Solcava | 508.72 mi (818.71 km) |
| Grefrath to Sostanj | 522.78 mi (841.34 km) |
