| Ludwigsburg to River Ridge (Louisiana) | 5,081.90 mi (8,178.53 km) |
| Ludwigsburg to Riverbank (California) | 5,718.65 mi (9,203.28 km) |
| Ludwigsburg to Riverdale (Georgia) | 4,665.94 mi (7,509.10 km) |
| Ludwigsburg to Riverdale (Illinois) | 4,404.60 mi (7,088.52 km) |
| Ludwigsburg to Riverside (California) | 5,839.34 mi (9,397.51 km) |
| Ludwigsburg to Riverside (Ohio) | 4,357.40 mi (7,012.55 km) |
| Ludwigsburg to Riverton (Utah) | 5,295.61 mi (8,522.46 km) |
| Ludwigsburg to Riverton (Wyoming) | 5,046.73 mi (8,121.93 km) |
| Ludwigsburg to Riverview (Florida) | 4,859.60 mi (7,820.77 km) |
| Ludwigsburg to Riverview (Michigan) | 4,211.09 mi (6,777.10 km) |
| Ludwigsburg to Riviera Beach (Florida) | 4,815.33 mi (7,749.53 km) |
| Ludwigsburg to Riviera Beach (Maryland) | 4,081.61 mi (6,568.72 km) |
| Ludwigsburg to Roanoke (Virginia) | 4,307.54 mi (6,932.31 km) |
| Ludwigsburg to Roanoke Rapids (North Carolina) | 4,250.94 mi (6,841.23 km) |
| Ludwigsburg to Robbinsdale (Minnesota) | 4,448.65 mi (7,159.42 km) |
