| Harmanli to Red Bank (New Jersey) | 4,868.08 mi (7,834.41 km) |
| Harmanli to Red Bank (Tennessee) | 5,564.86 mi (8,955.78 km) |
| Harmanli to Red Bluff (California) | 6,423.14 mi (10,337.04 km) |
| Harmanli to Red Hill (South Carolina) | 5,371.01 mi (8,643.81 km) |
| Harmanli to Red Oak (Texas) | 6,137.18 mi (9,876.84 km) |
| Harmanli to Red Wing (Minnesota) | 5,355.64 mi (8,619.07 km) |
| Harmanli to Redan (Georgia) | 5,586.56 mi (8,990.69 km) |
| Harmanli to Redding (California) | 6,400.51 mi (10,300.62 km) |
| Harmanli to Redland (Maryland) | 5,047.40 mi (8,123.01 km) |
| Harmanli to Redlands (California) | 6,688.74 mi (10,764.48 km) |
| Harmanli to Redmond (Oregon) | 6,142.49 mi (9,885.39 km) |
| Harmanli to Redmond (Washington) | 5,944.15 mi (9,566.19 km) |
| Harmanli to Redondo Beach (California) | 6,731.39 mi (10,833.13 km) |
| Harmanli to Redwood City (California) | 6,592.43 mi (10,609.49 km) |
| Harmanli to Reedley (California) | 6,586.60 mi (10,600.10 km) |
