| Longmont to Leopoldsburg | 4,864.99 mi (7,829.45 km) |
| Longmont to Lessines | 4,835.41 mi (7,781.84 km) |
| Longmont to Leuven | 4,857.03 mi (7,816.63 km) |
| Longmont to Lichtervelde | 4,797.94 mi (7,721.54 km) |
| Longmont to Liedekerke | 4,837.17 mi (7,784.67 km) |
| Longmont to Liege | 4,896.89 mi (7,880.78 km) |
| Longmont to Lierre | 4,841.46 mi (7,791.58 km) |
| Longmont to Lille | 4,845.84 mi (7,798.62 km) |
| Longmont to Lint | 4,839.43 mi (7,788.31 km) |
| Longmont to Lochristi | 4,818.51 mi (7,754.64 km) |
| Longmont to Lokeren | 4,823.52 mi (7,762.70 km) |
| Longmont to Lommel | 4,861.77 mi (7,824.27 km) |
| Longmont to Londerzeel | 4,838.51 mi (7,786.83 km) |
| Longmont to Louvain-la-Neuve | 4,860.00 mi (7,821.42 km) |
| Longmont to Lovendegem | 4,810.70 mi (7,742.07 km) |
