| South Portland to Wadenswil | 3,667.47 mi (5,902.22 km) |
| South Portland to Wald | 3,676.45 mi (5,916.68 km) |
| South Portland to Wallisellen | 3,658.81 mi (5,888.29 km) |
| South Portland to Waltikon | 3,659.78 mi (5,889.84 km) |
| South Portland to Wattwil | 3,682.82 mi (5,926.92 km) |
| South Portland to Weinfelden | 3,675.31 mi (5,914.84 km) |
| South Portland to Wettingen | 3,645.97 mi (5,867.63 km) |
| South Portland to Wetzikon | 3,670.38 mi (5,906.90 km) |
| South Portland to Widnau | 3,702.33 mi (5,958.32 km) |
| South Portland to Wil | 3,676.01 mi (5,915.96 km) |
| South Portland to Winterthur | 3,661.65 mi (5,892.85 km) |
| South Portland to Wittenbach | 3,689.67 mi (5,937.95 km) |
| South Portland to Wohlen | 3,647.55 mi (5,870.17 km) |
| South Portland to Worb | 3,630.85 mi (5,843.29 km) |
| South Portland to Wulflingen | 3,659.40 mi (5,889.24 km) |
