| Round Rock to Legionowo | 5,617.23 mi (9,040.06 km) |
| Round Rock to Legnica | 5,510.28 mi (8,867.94 km) |
| Round Rock to Leszno | 5,498.28 mi (8,848.63 km) |
| Round Rock to Lezajsk | 5,764.10 mi (9,276.42 km) |
| Round Rock to Libiaz | 5,666.37 mi (9,119.13 km) |
| Round Rock to Lidzbark | 5,545.18 mi (8,924.10 km) |
| Round Rock to Lidzbark Warminski | 5,531.73 mi (8,902.46 km) |
| Round Rock to Limanowa | 5,722.02 mi (9,208.70 km) |
| Round Rock to Lipno | 5,541.86 mi (8,918.77 km) |
| Round Rock to Lobez | 5,392.39 mi (8,678.21 km) |
| Round Rock to Lodz | 5,597.90 mi (9,008.95 km) |
| Round Rock to Lomianki | 5,620.20 mi (9,044.83 km) |
| Round Rock to Lomza | 5,620.27 mi (9,044.95 km) |
| Round Rock to Lowicz | 5,599.57 mi (9,011.63 km) |
| Round Rock to Lubaczow | 5,792.04 mi (9,321.39 km) |
