| Ludwigsburg to Robertsville (New Jersey) | 3,938.41 mi (6,338.25 km) |
| Ludwigsburg to Robinson (Texas) | 5,276.71 mi (8,492.04 km) |
| Ludwigsburg to Robstown (Texas) | 5,491.12 mi (8,837.10 km) |
| Ludwigsburg to Rochester (Michigan) | 4,184.83 mi (6,734.84 km) |
| Ludwigsburg to Rochester (Minnesota) | 4,467.69 mi (7,190.05 km) |
| Ludwigsburg to Rochester (New Hampshire) | 3,678.57 mi (5,920.09 km) |
| Ludwigsburg to Rochester (New York) | 3,949.73 mi (6,356.48 km) |
| Ludwigsburg to Rochester Hills (Michigan) | 4,187.23 mi (6,738.70 km) |
| Ludwigsburg to Rock Hill (South Carolina) | 4,460.75 mi (7,178.89 km) |
| Ludwigsburg to Rock Island (Illinois) | 4,522.63 mi (7,278.47 km) |
| Ludwigsburg to Rock Springs (Wyoming) | 5,151.30 mi (8,290.22 km) |
| Ludwigsburg to Rockford (Illinois) | 4,428.55 mi (7,127.07 km) |
| Ludwigsburg to Rockledge (Florida) | 4,768.14 mi (7,673.58 km) |
| Ludwigsburg to Rocklin (California) | 5,662.58 mi (9,113.05 km) |
| Ludwigsburg to Rockport (Texas) | 5,455.28 mi (8,779.43 km) |
