| West Mifflin to Ridgefield Park (New Jersey) | 310.65 mi (499.95 km) |
| West Mifflin to Ridgeland (Mississippi) | 789.50 mi (1,270.57 km) |
| West Mifflin to Ridgewood (New Jersey) | 306.66 mi (493.51 km) |
| West Mifflin to Rifle (Colorado) | 1,471.01 mi (2,367.36 km) |
| West Mifflin to Rincon (Georgia) | 561.99 mi (904.43 km) |
| West Mifflin to Ringwood (New Jersey) | 299.34 mi (481.73 km) |
| West Mifflin to Río Grande (Puerto Rico) | 1,733.67 mi (2,790.08 km) |
| West Mifflin to Rio Grande City (Texas) | 1,451.50 mi (2,335.96 km) |
| West Mifflin to Rio Linda (California) | 2,196.23 mi (3,534.50 km) |
| West Mifflin to Rio Rancho (New Mexico) | 1,497.33 mi (2,409.72 km) |
| West Mifflin to Rio Rico (Arizona) | 1,832.34 mi (2,948.86 km) |
| West Mifflin to Ripon (California) | 2,199.34 mi (3,539.50 km) |
| West Mifflin to River Edge (New Jersey) | 310.11 mi (499.08 km) |
| West Mifflin to River Falls (Wisconsin) | 716.56 mi (1,153.20 km) |
| West Mifflin to River Forest (Illinois) | 425.08 mi (684.10 km) |
