| Gaithersburg to Wisbech | 3,647.85 mi (5,870.64 km) |
| Gaithersburg to Wishaw | 3,431.53 mi (5,522.51 km) |
| Gaithersburg to Witham | 3,686.08 mi (5,932.18 km) |
| Gaithersburg to Witney | 3,600.20 mi (5,793.96 km) |
| Gaithersburg to Woking | 3,649.27 mi (5,872.93 km) |
| Gaithersburg to Wokingham | 3,634.65 mi (5,849.40 km) |
| Gaithersburg to Wollaston | 3,558.83 mi (5,727.38 km) |
| Gaithersburg to Wolverhampton | 3,557.74 mi (5,725.63 km) |
| Gaithersburg to Wolverton | 3,621.80 mi (5,828.72 km) |
| Gaithersburg to Wombourn | 3,556.69 mi (5,723.94 km) |
| Gaithersburg to Wombwell | 3,568.53 mi (5,743.00 km) |
| Gaithersburg to Wooburn | 3,637.00 mi (5,853.19 km) |
| Gaithersburg to Wood Green | 3,660.07 mi (5,890.32 km) |
| Gaithersburg to Woodhouse | 3,572.71 mi (5,749.72 km) |
| Gaithersburg to Woodlesford | 3,561.76 mi (5,732.11 km) |
