| Leigh-on-Sea to Glyka Nera | 1,462.36 mi (2,353.44 km) |
| Leigh-on-Sea to Grevena | 1,268.04 mi (2,040.72 km) |
| Leigh-on-Sea to Ialysos | 1,703.65 mi (2,741.75 km) |
| Leigh-on-Sea to Ilion | 1,454.77 mi (2,341.23 km) |
| Leigh-on-Sea to Ilioupoli | 1,461.70 mi (2,352.38 km) |
| Leigh-on-Sea to Ioannina | 1,267.99 mi (2,040.63 km) |
| Leigh-on-Sea to Irakleio | 1,647.22 mi (2,650.95 km) |
| Leigh-on-Sea to Irakleio | 1,456.39 mi (2,343.83 km) |
| Leigh-on-Sea to Kaisariani | 1,460.23 mi (2,350.01 km) |
| Leigh-on-Sea to Kalamaria | 1,301.43 mi (2,094.45 km) |
| Leigh-on-Sea to Kalamata | 1,449.45 mi (2,332.66 km) |
| Leigh-on-Sea to Kallithea | 1,459.01 mi (2,348.05 km) |
| Leigh-on-Sea to Kalymnos | 1,630.48 mi (2,624.01 km) |
| Leigh-on-Sea to Kalyvia Thorikou | 1,472.94 mi (2,370.46 km) |
| Leigh-on-Sea to Kamatero | 1,453.87 mi (2,339.79 km) |
