| Serpa to Roy (Utah) | 5,190.79 mi (8,353.77 km) |
| Serpa to Royal Kunia (Hawaii) | 7,908.96 mi (12,728.24 km) |
| Serpa to Royal Oak (Michigan) | 3,862.96 mi (6,216.84 km) |
| Serpa to Royal Palm Beach (Florida) | 4,206.13 mi (6,769.12 km) |
| Serpa to Royse City (Texas) | 4,805.06 mi (7,733.00 km) |
| Serpa to Ruskin (Florida) | 4,287.28 mi (6,899.72 km) |
| Serpa to Russellville (Alabama) | 4,327.31 mi (6,964.14 km) |
| Serpa to Russellville (Arkansas) | 4,566.87 mi (7,349.67 km) |
| Serpa to Ruston (Louisiana) | 4,640.14 mi (7,467.59 km) |
| Serpa to Rutherford (New Jersey) | 3,469.79 mi (5,584.08 km) |
| Serpa to Rutland (Vermont) | 3,354.30 mi (5,398.22 km) |
| Serpa to Sabana Grande (Puerto Rico) | 3,803.61 mi (6,121.33 km) |
| Serpa to Sachse (Texas) | 4,817.96 mi (7,753.76 km) |
| Serpa to Saco (Maine) | 3,234.82 mi (5,205.94 km) |
| Serpa to Sacramento (California) | 5,686.94 mi (9,152.24 km) |
