| Napa to Reidsville (North Carolina) | 2,325.51 mi (3,742.55 km) |
| Napa to Reisterstown (Maryland) | 2,421.69 mi (3,897.34 km) |
| Napa to Rendon (Texas) | 1,460.21 mi (2,349.98 km) |
| Napa to Reno (Nevada) | 157.68 mi (253.77 km) |
| Napa to Renton (Washington) | 634.36 mi (1,020.91 km) |
| Napa to Republic (Missouri) | 1,572.68 mi (2,530.99 km) |
| Napa to Reston (Virginia) | 2,401.94 mi (3,865.55 km) |
| Napa to Revere (Massachusetts) | 2,674.64 mi (4,304.42 km) |
| Napa to Rexburg (Idaho) | 666.61 mi (1,072.80 km) |
| Napa to Reynoldsburg (Ohio) | 2,103.25 mi (3,384.85 km) |
| Napa to Rialto (California) | 397.86 mi (640.30 km) |
| Napa to Richardson (Texas) | 1,478.22 mi (2,378.97 km) |
| Napa to Richfield (Minnesota) | 1,557.47 mi (2,506.51 km) |
| Napa to Richfield (Wisconsin) | 1,801.74 mi (2,899.62 km) |
| Napa to Richland (Washington) | 572.59 mi (921.50 km) |
