| Harwich to Irun | 610.59 mi (982.64 km) |
| Harwich to Isla-Cristina | 1,100.51 mi (1,771.11 km) |
| Harwich to Jaca | 653.89 mi (1,052.33 km) |
| Harwich to Jaen | 1,008.86 mi (1,623.61 km) |
| Harwich to Jerez de la Frontera | 1,114.18 mi (1,793.11 km) |
| Harwich to Jerez de los Caballeros | 1,017.46 mi (1,637.44 km) |
| Harwich to Jodar | 999.61 mi (1,608.71 km) |
| Harwich to Jumilla | 938.00 mi (1,509.56 km) |
| Harwich to La Algaba | 1,061.18 mi (1,707.80 km) |
| Harwich to La Baneza | 745.40 mi (1,199.60 km) |
| Harwich to La Carlota | 1,030.62 mi (1,658.63 km) |
| Harwich to La Carolina | 973.32 mi (1,566.40 km) |
| Harwich to La Corredoria | 675.75 mi (1,087.51 km) |
| Harwich to La Eliana | 858.83 mi (1,382.16 km) |
| Harwich to La Escala | 684.15 mi (1,101.03 km) |
