| Harrow to Lormont | 463.30 mi (745.61 km) |
| Harrow to Loudeac | 258.53 mi (416.07 km) |
| Harrow to Lourdes | 586.67 mi (944.16 km) |
| Harrow to Louviers | 176.65 mi (284.30 km) |
| Harrow to Louvres | 215.89 mi (347.44 km) |
| Harrow to Luce | 231.71 mi (372.90 km) |
| Harrow to Lucon | 356.31 mi (573.42 km) |
| Harrow to Lunel | 584.52 mi (940.69 km) |
| Harrow to Luneville | 367.14 mi (590.86 km) |
| Harrow to Lyon | 466.52 mi (750.80 km) |
| Harrow to Lys-les-Lannoy | 166.75 mi (268.36 km) |
| Harrow to Macon | 433.52 mi (697.69 km) |
| Harrow to Magny-le-Hongre | 234.14 mi (376.82 km) |
| Harrow to Magny-les-Hameaux | 224.96 mi (362.03 km) |
| Harrow to Mainvilliers | 230.70 mi (371.27 km) |
