| Pontypridd to Lomita (California) | 5,348.59 mi (8,607.73 km) |
| Pontypridd to Lompoc (California) | 5,369.65 mi (8,641.62 km) |
| Pontypridd to London (Ohio) | 3,746.53 mi (6,029.46 km) |
| Pontypridd to Lone Tree (Colorado) | 4,575.97 mi (7,364.31 km) |
| Pontypridd to Long Beach (California) | 5,343.35 mi (8,599.30 km) |
| Pontypridd to Long Beach (Mississippi) | 4,436.10 mi (7,139.22 km) |
| Pontypridd to Long Beach (New York) | 3,318.67 mi (5,340.89 km) |
| Pontypridd to Long Branch (New Jersey) | 3,344.61 mi (5,382.64 km) |
| Pontypridd to Longmont (Colorado) | 4,551.20 mi (7,324.44 km) |
| Pontypridd to Longview (Texas) | 4,553.24 mi (7,327.74 km) |
| Pontypridd to Longview (Washington) | 4,792.50 mi (7,712.78 km) |
| Pontypridd to Longwood (Florida) | 4,193.05 mi (6,748.06 km) |
| Pontypridd to Lorain (Ohio) | 3,627.19 mi (5,837.40 km) |
| Pontypridd to Lorton (Virginia) | 3,547.59 mi (5,709.29 km) |
| Pontypridd to Los Alamitos (California) | 5,339.81 mi (8,593.59 km) |
