| Round Rock to La Union | 5,302.09 mi (8,532.88 km) |
| Round Rock to La Victoria de Acentejo | 4,769.86 mi (7,676.35 km) |
| Round Rock to Laguna de Duero | 4,995.60 mi (8,039.64 km) |
| Round Rock to Lalin | 4,806.47 mi (7,735.27 km) |
| Round Rock to Lardero | 5,074.21 mi (8,166.15 km) |
| Round Rock to Laredo | 5,001.07 mi (8,048.45 km) |
| Round Rock to Las Cabezas de San Juan | 5,074.86 mi (8,167.20 km) |
| Round Rock to Las Palmas | 4,836.08 mi (7,782.92 km) |
| Round Rock to Las Rozas de Madrid | 5,068.03 mi (8,156.20 km) |
| Round Rock to Las Torres de Cotillas | 5,271.05 mi (8,482.93 km) |
| Round Rock to Lebrija | 5,069.93 mi (8,159.26 km) |
| Round Rock to Leganes | 5,078.17 mi (8,172.52 km) |
| Round Rock to Leon | 4,926.06 mi (7,927.72 km) |
| Round Rock to Lepe | 5,004.02 mi (8,053.19 km) |
| Round Rock to Linares | 5,154.00 mi (8,294.57 km) |
