| Napa to River Ridge (Louisiana) | 1,912.10 mi (3,077.23 km) |
| Napa to Riverbank (California) | 83.80 mi (134.86 km) |
| Napa to Riverdale (Georgia) | 2,129.89 mi (3,427.72 km) |
| Napa to Riverdale (Illinois) | 1,837.53 mi (2,957.22 km) |
| Napa to Riverside (California) | 406.94 mi (654.90 km) |
| Napa to Riverside (Ohio) | 2,035.88 mi (3,276.43 km) |
| Napa to Riverton (Utah) | 572.39 mi (921.18 km) |
| Napa to Riverton (Wyoming) | 796.86 mi (1,282.43 km) |
| Napa to Riverview (Florida) | 2,405.75 mi (3,871.67 km) |
| Napa to Riverview (Michigan) | 2,061.79 mi (3,318.13 km) |
| Napa to Riviera Beach (Florida) | 2,560.30 mi (4,120.41 km) |
| Napa to Riviera Beach (Maryland) | 2,441.32 mi (3,928.93 km) |
| Napa to Roanoke (Virginia) | 2,292.66 mi (3,689.69 km) |
| Napa to Roanoke Rapids (North Carolina) | 2,431.21 mi (3,912.65 km) |
| Napa to Robbinsdale (Minnesota) | 1,556.28 mi (2,504.60 km) |
