| Harrow to Wambrechies | 159.72 mi (257.05 km) |
| Harrow to Wasquehal | 163.46 mi (263.06 km) |
| Harrow to Wattignies | 162.47 mi (261.47 km) |
| Harrow to Wattrelos | 166.07 mi (267.27 km) |
| Harrow to Wingles | 158.14 mi (254.50 km) |
| Harrow to Wittelsheim | 427.47 mi (687.94 km) |
| Harrow to Wittenheim | 430.89 mi (693.44 km) |
| Harrow to Woippy | 331.87 mi (534.09 km) |
| Harrow to Yerres | 234.43 mi (377.27 km) |
| Harrow to Yutz | 325.74 mi (524.22 km) |
| Harrow to Yvetot | 144.18 mi (232.04 km) |
| Harrow to Yzeure | 384.92 mi (619.46 km) |
| Harrow to Cayenne | 4,376.56 mi (7,043.39 km) |
| Harrow to Iracoubo | 4,378.74 mi (7,046.90 km) |
| Harrow to Kourou | 4,375.54 mi (7,041.75 km) |
