| Knowle to Red Bank (New Jersey) | 3,396.30 mi (5,465.82 km) |
| Knowle to Red Bank (Tennessee) | 4,092.41 mi (6,586.10 km) |
| Knowle to Red Bluff (California) | 5,118.50 mi (8,237.43 km) |
| Knowle to Red Hill (South Carolina) | 3,902.88 mi (6,281.08 km) |
| Knowle to Red Oak (Texas) | 4,673.00 mi (7,520.47 km) |
| Knowle to Red Wing (Minnesota) | 3,915.68 mi (6,301.68 km) |
| Knowle to Redan (Georgia) | 4,114.37 mi (6,621.44 km) |
| Knowle to Redding (California) | 5,099.13 mi (8,206.26 km) |
| Knowle to Redland (Maryland) | 3,575.17 mi (5,753.68 km) |
| Knowle to Redlands (California) | 5,314.51 mi (8,552.88 km) |
| Knowle to Redmond (Oregon) | 4,853.53 mi (7,811.00 km) |
| Knowle to Redmond (Washington) | 4,684.55 mi (7,539.06 km) |
| Knowle to Redondo Beach (California) | 5,364.40 mi (8,633.17 km) |
| Knowle to Redwood City (California) | 5,272.89 mi (8,485.89 km) |
| Knowle to Reedley (California) | 5,240.91 mi (8,434.43 km) |
