| Napa to Shelton (Connecticut) | 2,582.95 mi (4,156.85 km) |
| Napa to Shelton (Washington) | 617.75 mi (994.17 km) |
| Napa to Shenandoah (Louisiana) | 1,856.74 mi (2,988.14 km) |
| Napa to Shepherdsville (Kentucky) | 1,975.87 mi (3,179.85 km) |
| Napa to Sheridan (Wyoming) | 909.20 mi (1,463.22 km) |
| Napa to Sherman (Texas) | 1,466.78 mi (2,360.56 km) |
| Napa to Sherrelwood (Colorado) | 932.63 mi (1,500.92 km) |
| Napa to Sherwood (Arkansas) | 1,679.45 mi (2,702.81 km) |
| Napa to Sherwood (Oregon) | 488.72 mi (786.52 km) |
| Napa to Shiloh (Illinois) | 1,743.87 mi (2,806.48 km) |
| Napa to Shiloh (Ohio) | 2,029.76 mi (3,266.58 km) |
| Napa to Shiloh (Pennsylvania) | 2,415.01 mi (3,886.59 km) |
| Napa to Shirley (New York) | 2,603.98 mi (4,190.70 km) |
| Napa to Shively (Kentucky) | 1,966.78 mi (3,165.22 km) |
| Napa to Shoreline (Washington) | 653.55 mi (1,051.79 km) |
