| Potomac to La Riche | 3,798.22 mi (6,112.64 km) |
| Potomac to La Roche-sur-Foron | 4,079.86 mi (6,565.90 km) |
| Potomac to La Roche-sur-Yon | 3,725.12 mi (5,995.00 km) |
| Potomac to La Rochelle | 3,750.28 mi (6,035.49 km) |
| Potomac to La Seyne-sur-Mer | 4,152.41 mi (6,682.66 km) |
| Potomac to La Teste-de-Buch | 3,790.78 mi (6,100.68 km) |
| Potomac to La Trinite | 4,195.87 mi (6,752.59 km) |
| Potomac to La Valette-du-Var | 4,155.69 mi (6,687.94 km) |
| Potomac to Lamballe | 3,634.23 mi (5,848.73 km) |
| Potomac to Lambersart | 3,815.05 mi (6,139.74 km) |
| Potomac to Lambesc | 4,107.29 mi (6,610.05 km) |
| Potomac to Lamorlaye | 3,828.74 mi (6,161.77 km) |
| Potomac to Lancon-Provence | 4,103.20 mi (6,603.47 km) |
| Potomac to Landerneau | 3,559.57 mi (5,728.57 km) |
| Potomac to Landivisiau | 3,566.16 mi (5,739.18 km) |
