| Langenfeld to Romeoville (Illinois) | 4,255.16 mi (6,848.03 km) |
| Langenfeld to Romulus (Michigan) | 4,050.95 mi (6,519.38 km) |
| Langenfeld to Ronkonkoma (New York) | 3,717.34 mi (5,982.49 km) |
| Langenfeld to Roosevelt (New York) | 3,741.25 mi (6,020.96 km) |
| Langenfeld to Rosamond (California) | 5,628.93 mi (9,058.89 km) |
| Langenfeld to Rosaryville (Maryland) | 3,957.94 mi (6,369.69 km) |
| Langenfeld to Roscoe (Illinois) | 4,249.72 mi (6,839.27 km) |
| Langenfeld to Rose Hill (Virginia) | 3,968.27 mi (6,386.31 km) |
| Langenfeld to Roseburg (Oregon) | 5,270.23 mi (8,481.62 km) |
| Langenfeld to Rosedale (California) | 5,626.85 mi (9,055.53 km) |
| Langenfeld to Rosedale (Maryland) | 3,919.40 mi (6,307.67 km) |
| Langenfeld to Roselle (Illinois) | 4,237.72 mi (6,819.96 km) |
| Langenfeld to Roselle (New Jersey) | 3,769.48 mi (6,066.40 km) |
| Langenfeld to Roselle Park (New Jersey) | 3,769.19 mi (6,065.92 km) |
| Langenfeld to Rosemead (California) | 5,672.06 mi (9,128.30 km) |
