| Napa to San Diego (California) | 476.64 mi (767.07 km) |
| Napa to San Diego Country Estates (California) | 478.66 mi (770.33 km) |
| Napa to San Dimas (California) | 382.65 mi (615.82 km) |
| Napa to San Fernando (California) | 350.70 mi (564.40 km) |
| Napa to San Francisco (California) | 38.24 mi (61.54 km) |
| Napa to San Gabriel (California) | 373.01 mi (600.30 km) |
| Napa to San Germán (Puerto Rico) | 3,583.36 mi (5,766.85 km) |
| Napa to San Jacinto (California) | 429.57 mi (691.32 km) |
| Napa to San Jose (California) | 73.15 mi (117.72 km) |
| Napa to San Juan (Puerto Rico) | 3,624.01 mi (5,832.28 km) |
| Napa to San Juan (Texas) | 1,632.94 mi (2,627.97 km) |
| Napa to San Juan Capistrano (California) | 421.14 mi (677.76 km) |
| Napa to San Leandro (California) | 41.49 mi (66.77 km) |
| Napa to San Lorenzo (California) | 44.09 mi (70.95 km) |
| Napa to San Luis (Arizona) | 585.94 mi (942.97 km) |
