| Washougal to Sucha Beskidzka | 5,465.78 mi (8,796.32 km) |
| Washougal to Suchanino | 5,161.93 mi (8,307.32 km) |
| Washougal to Sulechow | 5,242.38 mi (8,436.79 km) |
| Washougal to Sulecin | 5,210.18 mi (8,384.98 km) |
| Washougal to Sulejowek | 5,341.60 mi (8,596.48 km) |
| Washougal to Suwalki | 5,253.75 mi (8,455.10 km) |
| Washougal to Swarzedz | 5,251.94 mi (8,452.19 km) |
| Washougal to Swidnica | 5,335.06 mi (8,585.94 km) |
| Washougal to Swidnik | 5,431.47 mi (8,741.11 km) |
| Washougal to Swidwin | 5,142.63 mi (8,276.26 km) |
| Washougal to Swiebodzice | 5,330.94 mi (8,579.32 km) |
| Washougal to Swiecie | 5,216.48 mi (8,395.11 km) |
| Washougal to Swiedbodzin | 5,230.59 mi (8,417.82 km) |
| Washougal to Swietochlowice | 5,418.41 mi (8,720.09 km) |
| Washougal to Swinoujscie | 5,104.14 mi (8,214.32 km) |
