| Risca to Largo (Florida) | 4,303.02 mi (6,925.05 km) |
| Risca to Largo (Maryland) | 3,533.76 mi (5,687.04 km) |
| Risca to Larkspur (California) | 5,254.24 mi (8,455.88 km) |
| Risca to Las Cruces (New Mexico) | 5,033.56 mi (8,100.73 km) |
| Risca to Las Vegas (Nevada) | 5,118.81 mi (8,237.92 km) |
| Risca to Las Vegas (New Mexico) | 4,802.17 mi (7,728.34 km) |
| Risca to Latham (New York) | 3,241.89 mi (5,217.31 km) |
| Risca to Lathrop (California) | 5,224.42 mi (8,407.88 km) |
| Risca to Lauderdale Lakes (Florida) | 4,281.47 mi (6,890.36 km) |
| Risca to Lauderhill (Florida) | 4,282.81 mi (6,892.52 km) |
| Risca to Laurel (Florida) | 4,327.59 mi (6,964.58 km) |
| Risca to Laurel (Maryland) | 3,525.59 mi (5,673.89 km) |
| Risca to Laurel (Mississippi) | 4,378.71 mi (7,046.85 km) |
| Risca to Laurel (Virginia) | 3,617.45 mi (5,821.72 km) |
| Risca to Laurinburg (North Carolina) | 3,832.03 mi (6,167.06 km) |
