| Napa to Roy (Utah) | 579.37 mi (932.41 km) |
| Napa to Royal Kunia (Hawaii) | 2,417.11 mi (3,889.97 km) |
| Napa to Royal Oak (Michigan) | 2,061.62 mi (3,317.85 km) |
| Napa to Royal Palm Beach (Florida) | 2,554.80 mi (4,111.55 km) |
| Napa to Royse City (Texas) | 1,499.22 mi (2,412.76 km) |
| Napa to Ruskin (Florida) | 2,403.12 mi (3,867.44 km) |
| Napa to Russellville (Alabama) | 1,929.09 mi (3,104.57 km) |
| Napa to Russellville (Arkansas) | 1,620.36 mi (2,607.72 km) |
| Napa to Ruston (Louisiana) | 1,709.29 mi (2,750.84 km) |
| Napa to Rutherford (New Jersey) | 2,540.74 mi (4,088.93 km) |
| Napa to Rutland (Vermont) | 2,561.67 mi (4,122.61 km) |
| Napa to Sabana Grande (Puerto Rico) | 3,587.72 mi (5,773.88 km) |
| Napa to Sachse (Texas) | 1,485.20 mi (2,390.20 km) |
| Napa to Saco (Maine) | 2,686.57 mi (4,323.62 km) |
| Napa to Sacramento (California) | 48.77 mi (78.49 km) |
