| Napa to Ridgeland (Mississippi) | 1,846.75 mi (2,972.06 km) |
| Napa to Ridgewood (New Jersey) | 2,538.03 mi (4,084.57 km) |
| Napa to Rifle (Colorado) | 784.82 mi (1,263.04 km) |
| Napa to Rincon (Georgia) | 2,333.17 mi (3,754.88 km) |
| Napa to Ringwood (New Jersey) | 2,527.99 mi (4,068.41 km) |
| Napa to Río Grande (Puerto Rico) | 3,636.77 mi (5,852.81 km) |
| Napa to Rio Grande City (Texas) | 1,591.87 mi (2,561.86 km) |
| Napa to Rio Linda (California) | 53.72 mi (86.45 km) |
| Napa to Rio Rancho (New Mexico) | 886.82 mi (1,427.20 km) |
| Napa to Rio Rico (Arizona) | 793.86 mi (1,277.59 km) |
| Napa to Ripon (California) | 74.37 mi (119.68 km) |
| Napa to River Edge (New Jersey) | 2,542.61 mi (4,091.93 km) |
| Napa to River Falls (Wisconsin) | 1,589.38 mi (2,557.86 km) |
| Napa to River Forest (Illinois) | 1,826.90 mi (2,940.11 km) |
| Napa to River Grove (Illinois) | 1,825.82 mi (2,938.37 km) |
