| Langenfeld to Red Bank (New Jersey) | 3,775.44 mi (6,075.99 km) |
| Langenfeld to Red Bank (Tennessee) | 4,469.26 mi (7,192.58 km) |
| Langenfeld to Red Bluff (California) | 5,425.03 mi (8,730.74 km) |
| Langenfeld to Red Hill (South Carolina) | 4,283.51 mi (6,893.64 km) |
| Langenfeld to Red Oak (Texas) | 5,042.02 mi (8,114.35 km) |
| Langenfeld to Red Wing (Minnesota) | 4,271.58 mi (6,874.45 km) |
| Langenfeld to Redan (Georgia) | 4,492.90 mi (7,230.62 km) |
| Langenfeld to Redding (California) | 5,404.49 mi (8,697.68 km) |
| Langenfeld to Redland (Maryland) | 3,953.71 mi (6,362.88 km) |
| Langenfeld to Redlands (California) | 5,645.88 mi (9,086.16 km) |
| Langenfeld to Redmond (Oregon) | 5,153.77 mi (8,294.19 km) |
| Langenfeld to Redmond (Washington) | 4,974.14 mi (8,005.11 km) |
| Langenfeld to Redondo Beach (California) | 5,693.27 mi (9,162.44 km) |
| Langenfeld to Redwood City (California) | 5,584.99 mi (8,988.18 km) |
| Langenfeld to Reedley (California) | 5,561.95 mi (8,951.10 km) |
