| South Portland to Wetherby | 3,086.77 mi (4,967.68 km) |
| South Portland to Weybridge | 3,177.76 mi (5,114.11 km) |
| South Portland to Weymouth | 3,112.08 mi (5,008.41 km) |
| South Portland to Whickham | 3,056.71 mi (4,919.30 km) |
| South Portland to Whitburn | 2,964.84 mi (4,771.45 km) |
| South Portland to Whitby | 3,105.68 mi (4,998.10 km) |
| South Portland to Whitchurch | 3,090.66 mi (4,973.93 km) |
| South Portland to Whitchurch | 3,053.98 mi (4,914.91 km) |
| South Portland to Whitefield | 3,058.00 mi (4,921.37 km) |
| South Portland to Whitehaven | 2,989.77 mi (4,811.56 km) |
| South Portland to Whitley Bay | 3,063.66 mi (4,930.49 km) |
| South Portland to Whitnash | 3,114.58 mi (5,012.43 km) |
| South Portland to Whitstable | 3,237.90 mi (5,210.89 km) |
| South Portland to Whittlesey | 3,164.29 mi (5,092.43 km) |
| South Portland to Whitwick | 3,111.52 mi (5,007.51 km) |
