| Napa to Rockville (Maryland) | 2,409.76 mi (3,878.14 km) |
| Napa to Rockville Centre (New York) | 2,566.96 mi (4,131.12 km) |
| Napa to Rockwall (Texas) | 1,494.27 mi (2,404.79 km) |
| Napa to Rocky Mount (North Carolina) | 2,432.66 mi (3,914.98 km) |
| Napa to Rocky Point (New York) | 2,598.68 mi (4,182.17 km) |
| Napa to Rocky River (Ohio) | 2,136.13 mi (3,437.77 km) |
| Napa to Roessleville (New York) | 2,531.45 mi (4,073.97 km) |
| Napa to Rogers (Arkansas) | 1,546.97 mi (2,489.60 km) |
| Napa to Rogers (Minnesota) | 1,545.87 mi (2,487.84 km) |
| Napa to Rohnert Park (California) | 21.72 mi (34.95 km) |
| Napa to Rolla (Missouri) | 1,652.60 mi (2,659.60 km) |
| Napa to Rolling Meadows (Illinois) | 1,815.58 mi (2,921.90 km) |
| Napa to Roma (Texas) | 1,581.25 mi (2,544.78 km) |
| Napa to Rome (Georgia) | 2,071.88 mi (3,334.37 km) |
| Napa to Rome (New York) | 2,441.06 mi (3,928.50 km) |
