| Willow Grove to Sucha Beskidzka | 4,363.96 mi (7,023.11 km) |
| Willow Grove to Suchanino | 4,168.24 mi (6,708.14 km) |
| Willow Grove to Sulechow | 4,133.58 mi (6,652.35 km) |
| Willow Grove to Sulecin | 4,103.07 mi (6,603.25 km) |
| Willow Grove to Sulejowek | 4,336.80 mi (6,979.40 km) |
| Willow Grove to Suwalki | 4,328.23 mi (6,965.62 km) |
| Willow Grove to Swarzedz | 4,177.18 mi (6,722.52 km) |
| Willow Grove to Swidnica | 4,206.95 mi (6,770.43 km) |
| Willow Grove to Swidnik | 4,425.93 mi (7,122.85 km) |
| Willow Grove to Swidwin | 4,084.95 mi (6,574.10 km) |
| Willow Grove to Swiebodzice | 4,200.66 mi (6,760.32 km) |
| Willow Grove to Swiecie | 4,193.37 mi (6,748.57 km) |
| Willow Grove to Swiedbodzin | 4,125.08 mi (6,638.67 km) |
| Willow Grove to Swietochlowice | 4,318.79 mi (6,950.41 km) |
| Willow Grove to Swinoujscie | 4,025.53 mi (6,478.46 km) |
