| Karlsfeld to Red Bank (New Jersey) | 4,042.83 mi (6,506.30 km) |
| Karlsfeld to Red Bank (Tennessee) | 4,740.55 mi (7,629.17 km) |
| Karlsfeld to Red Bluff (California) | 5,705.35 mi (9,181.87 km) |
| Karlsfeld to Red Hill (South Carolina) | 4,546.21 mi (7,316.41 km) |
| Karlsfeld to Red Oak (Texas) | 5,320.37 mi (8,562.31 km) |
| Karlsfeld to Red Wing (Minnesota) | 4,554.56 mi (7,329.86 km) |
| Karlsfeld to Redan (Georgia) | 4,761.41 mi (7,662.75 km) |
| Karlsfeld to Redding (California) | 5,684.57 mi (9,148.43 km) |
| Karlsfeld to Redland (Maryland) | 4,222.30 mi (6,795.13 km) |
| Karlsfeld to Redlands (California) | 5,929.88 mi (9,543.22 km) |
| Karlsfeld to Redmond (Oregon) | 5,432.85 mi (8,743.32 km) |
| Karlsfeld to Redmond (Washington) | 5,250.72 mi (8,450.21 km) |
| Karlsfeld to Redondo Beach (California) | 5,977.05 mi (9,619.13 km) |
| Karlsfeld to Redwood City (California) | 5,866.36 mi (9,440.99 km) |
| Karlsfeld to Reedley (California) | 5,844.80 mi (9,406.30 km) |
