| Serpa to Saddlebrooke (Arizona) | 5,508.84 mi (8,865.62 km) |
| Serpa to Safety Harbor (Florida) | 4,291.23 mi (6,906.06 km) |
| Serpa to Saginaw (Michigan) | 3,875.84 mi (6,237.56 km) |
| Serpa to Saginaw (Texas) | 4,860.23 mi (7,821.78 km) |
| Serpa to Sahuarita (Arizona) | 5,540.07 mi (8,915.89 km) |
| Serpa to Saks (Alabama) | 4,259.79 mi (6,855.47 km) |
| Serpa to Salem (Massachusetts) | 3,276.06 mi (5,272.31 km) |
| Serpa to Salem (Ohio) | 3,796.10 mi (6,109.24 km) |
| Serpa to Salem (Oregon) | 5,443.53 mi (8,760.52 km) |
| Serpa to Salem (Virginia) | 3,857.57 mi (6,208.16 km) |
| Serpa to Salem Lakes (Wisconsin) | 4,093.75 mi (6,588.25 km) |
| Serpa to Salida (California) | 5,712.40 mi (9,193.22 km) |
| Serpa to Salina (Kansas) | 4,652.80 mi (7,487.96 km) |
| Serpa to Salinas (California) | 5,782.70 mi (9,306.36 km) |
| Serpa to Salisbury (Maryland) | 3,603.91 mi (5,799.94 km) |
