| West Mifflin to Reading (Pennsylvania) | 209.59 mi (337.31 km) |
| West Mifflin to Red Bank (New Jersey) | 307.45 mi (494.79 km) |
| West Mifflin to Red Bank (Tennessee) | 466.81 mi (751.26 km) |
| West Mifflin to Red Bluff (California) | 2,210.13 mi (3,556.86 km) |
| West Mifflin to Red Hill (South Carolina) | 457.33 mi (736.00 km) |
| West Mifflin to Red Oak (Texas) | 1,080.55 mi (1,738.97 km) |
| West Mifflin to Red Wing (Minnesota) | 708.81 mi (1,140.72 km) |
| West Mifflin to Redan (Georgia) | 513.87 mi (827.00 km) |
| West Mifflin to Redding (California) | 2,209.79 mi (3,556.31 km) |
| West Mifflin to Redland (Maryland) | 169.30 mi (272.46 km) |
| West Mifflin to Redlands (California) | 2,080.43 mi (3,348.13 km) |
| West Mifflin to Redmond (Oregon) | 2,103.64 mi (3,385.48 km) |
| West Mifflin to Redmond (Washington) | 2,129.24 mi (3,426.68 km) |
| West Mifflin to Redondo Beach (California) | 2,149.17 mi (3,458.76 km) |
| West Mifflin to Redwood City (California) | 2,261.40 mi (3,639.37 km) |
