| San Juan to Superior (Colorado) | 2,756.23 mi (4,435.72 km) |
| San Juan to Superior (Wisconsin) | 2,449.92 mi (3,942.77 km) |
| San Juan to Surprise (Arizona) | 3,038.31 mi (4,889.69 km) |
| San Juan to Susanville (California) | 3,552.78 mi (5,717.64 km) |
| San Juan to Sussex (Wisconsin) | 2,142.49 mi (3,448.01 km) |
| San Juan to Suwanee (Georgia) | 1,549.15 mi (2,493.11 km) |
| San Juan to Swansea (Illinois) | 2,000.43 mi (3,219.39 km) |
| San Juan to Sweetwater (Florida) | 1,047.65 mi (1,686.03 km) |
| San Juan to Sweetwater (Texas) | 2,339.52 mi (3,765.09 km) |
| San Juan to Sycamore (Illinois) | 2,103.44 mi (3,385.16 km) |
| San Juan to Sylacauga (Alabama) | 1,613.65 mi (2,596.92 km) |
| San Juan to Sylvania (Ohio) | 1,916.99 mi (3,085.10 km) |
| San Juan to Syosset (New York) | 1,610.50 mi (2,591.85 km) |
| San Juan to Syracuse (New York) | 1,801.61 mi (2,899.42 km) |
| San Juan to Syracuse (Utah) | 3,125.64 mi (5,030.23 km) |
