| Name of the place | CERL ID of a place | Country | Longitude | Latitude | |
|---|---|---|---|---|---|
| Langheim | cnl00027312 | Germany | 11.1105555555556 | 50.1116666666667 | |
| Langres | cnl00010962 | France | 5.33 | 47.87 | |
| Langwarden | cnl00047078 | Germany | 8.30611111111111 | 53.6038888888889 | |
| Lanhigan (Shropshire) | cnl00050691 | England | — | — | |
| Lanuvio | cnl00039427 | Italy | 12.6975 | 41.6727777777778 | |
| Lanuvio | cnl00039427 | Italy | 12.6975 | 41.6727777777778 | |
| Lanuvio | cnl00039427 | Italy | 12.6975 | 41.6727777777778 | |
| Laodicea | cnl00000800 | Greece | — | — | |
| Laon | cnl00010971 | France | 3.62 | 49.57 | |
| Lapanouse | — | France | 3.0325 | 44.3367 | |
| Largentière | cnl00019847 | France | 4.2942 | 44.5436 | |
| Laubach | cnl00032566 | Germany | 8.98 | 50.5491666666667 | |
| Lauban | cnl00010983 | Poland | 15.2794444444444 | 51.1194444444444 | |
| Lauenburg | cnl00010989 | Germany | 10.57 | 53.3697222222222 | |
| Laugharne | cnl00026305 | Wales | -4.4631 | 51.7694 | |
| Lauingen | cnl00016121 | Germany | 10.4294444444444 | 48.57 | |
| Lausanne | cnl00011011 | Switzerland | 6.66944444444445 | 46.53 | |
| Lausanne [DO NOT USE] | cnl00006419 | — | 6.66944444444445 | 46.53 | |
| Lausanne [non-CERL] | — | — | — | — | |
| Laval (Mayenne) | cnl00011030 | France | -0.77 | 48.07 | |
| Lavardens | cnl00039394 | France | 0.511944444444444 | 43.7602777777778 | |
| Lavoûte-sur-Loire | cnl00021029 | France | 3.9067 | 45.1192 | |
| Le Croisic | cnl00017634 | France | -2.5092 | 47.2939 | |
| Le Dorat | cnl00021961 | — | 1.08305555555556 | 46.2166666666667 | |
| Le Fousseret | cnl00020999 | France | — | — |