| Unterwellenborn to Red Bank (New Jersey) | 3,967.04 mi (6,384.33 km) |
| Unterwellenborn to Red Bank (Tennessee) | 4,658.23 mi (7,496.70 km) |
| Unterwellenborn to Red Bluff (California) | 5,564.78 mi (8,955.64 km) |
| Unterwellenborn to Red Hill (South Carolina) | 4,477.10 mi (7,205.19 km) |
| Unterwellenborn to Red Oak (Texas) | 5,223.93 mi (8,407.10 km) |
| Unterwellenborn to Red Wing (Minnesota) | 4,444.38 mi (7,152.55 km) |
| Unterwellenborn to Redan (Georgia) | 4,683.64 mi (7,537.58 km) |
| Unterwellenborn to Redding (California) | 5,543.55 mi (8,921.49 km) |
| Unterwellenborn to Redland (Maryland) | 4,144.58 mi (6,670.06 km) |
| Unterwellenborn to Redlands (California) | 5,800.92 mi (9,335.68 km) |
| Unterwellenborn to Redmond (Oregon) | 5,290.19 mi (8,513.73 km) |
| Unterwellenborn to Redmond (Washington) | 5,104.55 mi (8,214.98 km) |
| Unterwellenborn to Redondo Beach (California) | 5,846.65 mi (9,409.27 km) |
| Unterwellenborn to Redwood City (California) | 5,727.92 mi (9,218.19 km) |
| Unterwellenborn to Reedley (California) | 5,710.51 mi (9,190.18 km) |
