| Risca to Lomita (California) | 5,356.63 mi (8,620.67 km) |
| Risca to Lompoc (California) | 5,377.44 mi (8,654.15 km) |
| Risca to London (Ohio) | 3,756.41 mi (6,045.35 km) |
| Risca to Lone Tree (Colorado) | 4,584.62 mi (7,378.24 km) |
| Risca to Long Beach (California) | 5,351.41 mi (8,612.26 km) |
| Risca to Long Beach (Mississippi) | 4,446.27 mi (7,155.58 km) |
| Risca to Long Beach (New York) | 3,328.91 mi (5,357.37 km) |
| Risca to Long Branch (New Jersey) | 3,354.86 mi (5,399.13 km) |
| Risca to Longmont (Colorado) | 4,559.78 mi (7,338.26 km) |
| Risca to Longview (Texas) | 4,563.02 mi (7,343.48 km) |
| Risca to Longview (Washington) | 4,799.10 mi (7,723.41 km) |
| Risca to Longwood (Florida) | 4,203.57 mi (6,764.99 km) |
| Risca to Lorain (Ohio) | 3,637.01 mi (5,853.21 km) |
| Risca to Lorton (Virginia) | 3,557.81 mi (5,725.74 km) |
| Risca to Los Alamitos (California) | 5,347.87 mi (8,606.57 km) |
