| Gretna to Lindsay (California) | 1,729.78 mi (2,783.81 km) |
| Gretna to Linganore (Maryland) | 975.96 mi (1,570.65 km) |
| Gretna to Lino Lakes (Minnesota) | 1,067.00 mi (1,717.17 km) |
| Gretna to Linthicum (Maryland) | 994.60 mi (1,600.66 km) |
| Gretna to Linton Hall (Virginia) | 936.57 mi (1,507.26 km) |
| Gretna to Lisle (Illinois) | 828.20 mi (1,332.87 km) |
| Gretna to Lithia Springs (Georgia) | 414.71 mi (667.42 km) |
| Gretna to Little Canada (Minnesota) | 1,057.26 mi (1,701.50 km) |
| Gretna to Little Chute (Wisconsin) | 998.10 mi (1,606.28 km) |
| Gretna to Little Elm (Texas) | 463.78 mi (746.38 km) |
| Gretna to Little Ferry (New Jersey) | 1,173.33 mi (1,888.29 km) |
| Gretna to Little Rock (Arkansas) | 358.90 mi (577.60 km) |
| Gretna to Littleton (Colorado) | 1,078.83 mi (1,736.21 km) |
| Gretna to Live Oak (California) | 1,894.76 mi (3,049.33 km) |
| Gretna to Live Oak (Texas) | 497.81 mi (801.15 km) |
