| Monroe to Superior (Colorado) | 889.59 mi (1,431.66 km) |
| Monroe to Superior (Wisconsin) | 979.44 mi (1,576.25 km) |
| Monroe to Surprise (Arizona) | 1,180.09 mi (1,899.18 km) |
| Monroe to Susanville (California) | 1,668.19 mi (2,684.70 km) |
| Monroe to Sussex (Wisconsin) | 762.84 mi (1,227.67 km) |
| Monroe to Suwanee (Georgia) | 474.40 mi (763.47 km) |
| Monroe to Swansea (Illinois) | 433.02 mi (696.88 km) |
| Monroe to Sweetwater (Florida) | 844.94 mi (1,359.80 km) |
| Monroe to Sweetwater (Texas) | 485.44 mi (781.24 km) |
| Monroe to Sycamore (Illinois) | 680.75 mi (1,095.56 km) |
| Monroe to Sylacauga (Alabama) | 340.66 mi (548.24 km) |
| Monroe to Sylvania (Ohio) | 783.91 mi (1,261.58 km) |
| Monroe to Syosset (New York) | 1,174.81 mi (1,890.68 km) |
| Monroe to Syracuse (New York) | 1,130.43 mi (1,819.24 km) |
| Monroe to Syracuse (Utah) | 1,250.26 mi (2,012.10 km) |
