| Oceanside to San Diego (California) | 29.24 mi (47.06 km) |
| Oceanside to San Diego Country Estates (California) | 33.61 mi (54.10 km) |
| Oceanside to San Dimas (California) | 67.49 mi (108.62 km) |
| Oceanside to San Fernando (California) | 97.99 mi (157.69 km) |
| Oceanside to San Francisco (California) | 425.89 mi (685.41 km) |
| Oceanside to San Gabriel (California) | 75.38 mi (121.32 km) |
| Oceanside to San Germán (Puerto Rico) | 3,266.67 mi (5,257.19 km) |
| Oceanside to San Jacinto (California) | 43.55 mi (70.08 km) |
| Oceanside to San Jose (California) | 380.58 mi (612.49 km) |
| Oceanside to San Juan (Puerto Rico) | 3,312.88 mi (5,331.57 km) |
| Oceanside to San Juan (Texas) | 1,245.59 mi (2,004.58 km) |
| Oceanside to San Juan Capistrano (California) | 27.62 mi (44.45 km) |
| Oceanside to San Leandro (California) | 412.74 mi (664.25 km) |
| Oceanside to San Lorenzo (California) | 410.02 mi (659.87 km) |
| Oceanside to San Luis (Arizona) | 159.15 mi (256.13 km) |
