| Ottawa to South Plainfield (New Jersey) | 752.92 mi (1,211.71 km) |
| Ottawa to South Portland (Maine) | 955.29 mi (1,537.39 km) |
| Ottawa to South Riding (Virginia) | 620.47 mi (998.54 km) |
| Ottawa to South River (New Jersey) | 756.25 mi (1,217.07 km) |
| Ottawa to South Salt Lake (Utah) | 1,199.85 mi (1,930.98 km) |
| Ottawa to South San Francisco (California) | 1,797.64 mi (2,893.03 km) |
| Ottawa to South San Jose Hills (California) | 1,659.91 mi (2,671.37 km) |
| Ottawa to South Sioux City (Nebraska) | 397.37 mi (639.51 km) |
| Ottawa to South St. Paul (Minnesota) | 323.55 mi (520.70 km) |
| Ottawa to South Valley (New Mexico) | 1,061.61 mi (1,708.50 km) |
| Ottawa to South Venice (Florida) | 1,053.67 mi (1,695.72 km) |
| Ottawa to South Whittier (California) | 1,668.84 mi (2,685.74 km) |
| Ottawa to South Yarmouth (Massachusetts) | 962.02 mi (1,548.22 km) |
| Ottawa to Southaven (Mississippi) | 446.88 mi (719.18 km) |
| Ottawa to Southchase (Florida) | 989.73 mi (1,592.82 km) |
