| West Mifflin to Ramsey (New Jersey) | 305.59 mi (491.79 km) |
| West Mifflin to Rancho Cordova (California) | 2,188.68 mi (3,522.35 km) |
| West Mifflin to Rancho Cucamonga (California) | 2,099.27 mi (3,378.44 km) |
| West Mifflin to Rancho Mirage (California) | 2,049.14 mi (3,297.77 km) |
| West Mifflin to Rancho Palos Verdes (California) | 2,151.30 mi (3,462.18 km) |
| West Mifflin to Rancho San Diego (California) | 2,103.60 mi (3,385.42 km) |
| West Mifflin to Rancho Santa Margarita (California) | 2,114.47 mi (3,402.92 km) |
| West Mifflin to Randallstown (Maryland) | 178.18 mi (286.75 km) |
| West Mifflin to Rantoul (Illinois) | 434.27 mi (698.89 km) |
| West Mifflin to Rapid City (South Dakota) | 1,215.90 mi (1,956.80 km) |
| West Mifflin to Ravenna (Ohio) | 89.22 mi (143.58 km) |
| West Mifflin to Raymondville (Texas) | 1,402.64 mi (2,257.33 km) |
| West Mifflin to Raymore (Missouri) | 781.38 mi (1,257.50 km) |
| West Mifflin to Raytown (Missouri) | 778.92 mi (1,253.56 km) |
| West Mifflin to Reading (Ohio) | 252.70 mi (406.68 km) |
