| Napa to Robertsville (New Jersey) | 2,538.31 mi (4,085.01 km) |
| Napa to Robinson (Texas) | 1,498.14 mi (2,411.03 km) |
| Napa to Robstown (Texas) | 1,593.55 mi (2,564.57 km) |
| Napa to Rochester (Michigan) | 2,062.25 mi (3,318.87 km) |
| Napa to Rochester (Minnesota) | 1,591.43 mi (2,561.16 km) |
| Napa to Rochester (New Hampshire) | 2,664.15 mi (4,287.54 km) |
| Napa to Rochester (New York) | 2,335.54 mi (3,758.69 km) |
| Napa to Rochester Hills (Michigan) | 2,060.53 mi (3,316.11 km) |
| Napa to Rock Hill (South Carolina) | 2,281.78 mi (3,672.17 km) |
| Napa to Rock Island (Illinois) | 1,686.32 mi (2,713.87 km) |
| Napa to Rock Springs (Wyoming) | 728.48 mi (1,172.37 km) |
| Napa to Rockford (Illinois) | 1,761.83 mi (2,835.38 km) |
| Napa to Rockledge (Florida) | 2,474.53 mi (3,982.36 km) |
| Napa to Rocklin (California) | 66.88 mi (107.64 km) |
| Napa to Rockport (Texas) | 1,615.30 mi (2,599.57 km) |
