| Harrow Weald to Irun | 575.11 mi (925.55 km) |
| Harrow Weald to Isla-Cristina | 1,052.08 mi (1,693.16 km) |
| Harrow Weald to Jaca | 625.65 mi (1,006.88 km) |
| Harrow Weald to Jaen | 970.53 mi (1,561.92 km) |
| Harrow Weald to Jerez de la Frontera | 1,069.51 mi (1,721.22 km) |
| Harrow Weald to Jerez de los Caballeros | 969.25 mi (1,559.86 km) |
| Harrow Weald to Jodar | 962.66 mi (1,549.25 km) |
| Harrow Weald to Jumilla | 908.09 mi (1,461.43 km) |
| Harrow Weald to La Algaba | 1,016.15 mi (1,635.33 km) |
| Harrow Weald to La Baneza | 693.98 mi (1,116.85 km) |
| Harrow Weald to La Carlota | 988.60 mi (1,591.00 km) |
| Harrow Weald to La Carolina | 935.11 mi (1,504.91 km) |
| Harrow Weald to La Corredoria | 622.42 mi (1,001.69 km) |
| Harrow Weald to La Eliana | 831.79 mi (1,338.63 km) |
| Harrow Weald to La Escala | 675.75 mi (1,087.51 km) |
