| Willoughby to Sucha Beskidzka | 4,524.31 mi (7,281.17 km) |
| Willoughby to Suchanino | 4,306.89 mi (6,931.27 km) |
| Willoughby to Sulechow | 4,290.00 mi (6,904.09 km) |
| Willoughby to Sulecin | 4,258.53 mi (6,853.44 km) |
| Willoughby to Sulejowek | 4,481.13 mi (7,211.68 km) |
| Willoughby to Suwalki | 4,459.73 mi (7,177.24 km) |
| Willoughby to Swarzedz | 4,329.10 mi (6,967.01 km) |
| Willoughby to Swidnica | 4,368.11 mi (7,029.79 km) |
| Willoughby to Swidnik | 4,572.37 mi (7,358.53 km) |
| Willoughby to Swidwin | 4,231.98 mi (6,810.72 km) |
| Willoughby to Swiebodzice | 4,362.04 mi (7,020.02 km) |
| Willoughby to Swiecie | 4,337.34 mi (6,980.28 km) |
| Willoughby to Swiedbodzin | 4,280.78 mi (6,889.25 km) |
| Willoughby to Swietochlowice | 4,477.82 mi (7,206.35 km) |
| Willoughby to Swinoujscie | 4,174.56 mi (6,718.31 km) |
