| Post Falls to South Plainfield (New Jersey) | 2,136.68 mi (3,438.65 km) |
| Post Falls to South Portland (Maine) | 2,235.24 mi (3,597.27 km) |
| Post Falls to South Riding (Virginia) | 2,048.39 mi (3,296.57 km) |
| Post Falls to South River (New Jersey) | 2,142.57 mi (3,448.13 km) |
| Post Falls to South Salt Lake (Utah) | 544.92 mi (876.96 km) |
| Post Falls to South San Francisco (California) | 748.74 mi (1,204.98 km) |
| Post Falls to South San Jose Hills (California) | 948.52 mi (1,526.50 km) |
| Post Falls to South Sioux City (Nebraska) | 1,061.23 mi (1,707.88 km) |
| Post Falls to South St. Paul (Minnesota) | 1,152.55 mi (1,854.85 km) |
| Post Falls to South Valley (New Mexico) | 1,024.75 mi (1,649.17 km) |
| Post Falls to South Venice (Florida) | 2,341.84 mi (3,768.83 km) |
| Post Falls to South Whittier (California) | 954.32 mi (1,535.83 km) |
| Post Falls to South Yarmouth (Massachusetts) | 2,297.27 mi (3,697.09 km) |
| Post Falls to Southaven (Mississippi) | 1,640.67 mi (2,640.40 km) |
| Post Falls to Southchase (Florida) | 2,319.20 mi (3,732.40 km) |
