| Sulphur to Reading (Pennsylvania) | 1,202.37 mi (1,935.03 km) |
| Sulphur to Red Bank (New Jersey) | 1,288.74 mi (2,074.03 km) |
| Sulphur to Red Bank (Tennessee) | 577.25 mi (928.99 km) |
| Sulphur to Red Bluff (California) | 1,759.52 mi (2,831.67 km) |
| Sulphur to Red Hill (South Carolina) | 874.70 mi (1,407.70 km) |
| Sulphur to Red Oak (Texas) | 256.94 mi (413.50 km) |
| Sulphur to Red Wing (Minnesota) | 992.55 mi (1,597.36 km) |
| Sulphur to Redan (Georgia) | 590.49 mi (950.30 km) |
| Sulphur to Redding (California) | 1,772.57 mi (2,852.68 km) |
| Sulphur to Redland (Maryland) | 1,104.93 mi (1,778.21 km) |
| Sulphur to Redlands (California) | 1,414.70 mi (2,276.75 km) |
| Sulphur to Redmond (Oregon) | 1,798.04 mi (2,893.66 km) |
| Sulphur to Redmond (Washington) | 1,940.70 mi (3,123.25 km) |
| Sulphur to Redondo Beach (California) | 1,482.83 mi (2,386.39 km) |
| Sulphur to Redwood City (California) | 1,723.00 mi (2,772.90 km) |
