| Dumbarton to Leini | 915.63 mi (1,473.57 km) |
| Dumbarton to Lendinara | 1,028.51 mi (1,655.23 km) |
| Dumbarton to Leno | 972.47 mi (1,565.04 km) |
| Dumbarton to Lentate sul Seveso | 924.38 mi (1,487.65 km) |
| Dumbarton to Lentini | 1,577.30 mi (2,538.42 km) |
| Dumbarton to Leonforte | 1,539.64 mi (2,477.81 km) |
| Dumbarton to Lequile | 1,491.64 mi (2,400.56 km) |
| Dumbarton to Lerici | 1,037.86 mi (1,670.28 km) |
| Dumbarton to Leverano | 1,491.02 mi (2,399.57 km) |
| Dumbarton to Licata | 1,560.52 mi (2,511.42 km) |
| Dumbarton to Limbiate | 929.21 mi (1,495.42 km) |
| Dumbarton to Lipari | 1,504.85 mi (2,421.81 km) |
| Dumbarton to Lissone | 931.42 mi (1,498.98 km) |
| Dumbarton to Livorno | 1,079.07 mi (1,736.59 km) |
| Dumbarton to Lizzanello | 1,494.08 mi (2,404.48 km) |
