| Boulder to Wyke | 4,533.44 mi (7,295.87 km) |
| Boulder to Wymondham | 4,677.28 mi (7,527.35 km) |
| Boulder to Wythenshawe | 4,530.28 mi (7,290.79 km) |
| Boulder to Yate | 4,599.08 mi (7,401.50 km) |
| Boulder to Yatton | 4,590.73 mi (7,388.07 km) |
| Boulder to Yaxley | 4,633.18 mi (7,456.37 km) |
| Boulder to Yeadon | 4,530.67 mi (7,291.41 km) |
| Boulder to Yeovil | 4,615.04 mi (7,427.19 km) |
| Boulder to Yiewsley | 4,667.52 mi (7,511.65 km) |
| Boulder to York | 4,547.28 mi (7,318.14 km) |
| Boulder to Ystrad Mynach | 4,565.94 mi (7,348.18 km) |
| Boulder to Abbeville (Louisiana) | 1,014.76 mi (1,633.10 km) |
| Boulder to Aberdeen (Maryland) | 1,537.80 mi (2,474.85 km) |
| Boulder to Aberdeen (South Dakota) | 509.30 mi (819.64 km) |
| Boulder to Aberdeen (Washington) | 1,043.12 mi (1,678.75 km) |
