| London Colney to Irun | 583.68 mi (939.34 km) |
| London Colney to Isla-Cristina | 1,060.53 mi (1,706.76 km) |
| London Colney to Jaca | 634.11 mi (1,020.50 km) |
| London Colney to Jaen | 979.13 mi (1,575.75 km) |
| London Colney to Jerez de la Frontera | 1,078.05 mi (1,734.96 km) |
| London Colney to Jerez de los Caballeros | 977.71 mi (1,573.48 km) |
| London Colney to Jodar | 971.25 mi (1,563.08 km) |
| London Colney to Jumilla | 916.60 mi (1,475.13 km) |
| London Colney to La Algaba | 1,024.68 mi (1,649.07 km) |
| London Colney to La Baneza | 702.35 mi (1,130.32 km) |
| London Colney to La Carlota | 997.18 mi (1,604.81 km) |
| London Colney to La Carolina | 943.70 mi (1,518.74 km) |
| London Colney to La Corredoria | 630.72 mi (1,015.05 km) |
| London Colney to La Eliana | 840.24 mi (1,352.23 km) |
| London Colney to La Escala | 683.45 mi (1,099.90 km) |
