| Pontypridd to Lemay (Missouri) | 4,080.66 mi (6,567.19 km) |
| Pontypridd to Lemon Grove (California) | 5,365.32 mi (8,634.65 km) |
| Pontypridd to Lemon Hill (California) | 5,181.08 mi (8,338.15 km) |
| Pontypridd to Lemont (Illinois) | 3,844.47 mi (6,187.08 km) |
| Pontypridd to Lemoore (California) | 5,255.33 mi (8,457.63 km) |
| Pontypridd to Lenexa (Kansas) | 4,234.22 mi (6,814.33 km) |
| Pontypridd to Lennox (California) | 5,341.79 mi (8,596.77 km) |
| Pontypridd to Lenoir (North Carolina) | 3,852.57 mi (6,200.11 km) |
| Pontypridd to Leominster (Massachusetts) | 3,159.96 mi (5,085.46 km) |
| Pontypridd to Leon Valley (Texas) | 4,861.07 mi (7,823.14 km) |
| Pontypridd to Levelland (Texas) | 4,792.97 mi (7,713.54 km) |
| Pontypridd to Levittown (New York) | 3,306.57 mi (5,321.41 km) |
| Pontypridd to Levittown (Pennsylvania) | 3,386.32 mi (5,449.76 km) |
| Pontypridd to Lewisburg (Tennessee) | 4,089.17 mi (6,580.89 km) |
| Pontypridd to Lewiston (Idaho) | 4,608.18 mi (7,416.14 km) |
