| Oceanside to Rosemont (California) | 431.84 mi (694.99 km) |
| Oceanside to Rosemount (Minnesota) | 1,517.16 mi (2,441.63 km) |
| Oceanside to Rosenberg (Texas) | 1,290.12 mi (2,076.25 km) |
| Oceanside to Roseville (California) | 443.83 mi (714.27 km) |
| Oceanside to Roseville (Michigan) | 1,965.74 mi (3,163.55 km) |
| Oceanside to Roseville (Minnesota) | 1,520.65 mi (2,447.25 km) |
| Oceanside to Rossmoor (California) | 59.13 mi (95.16 km) |
| Oceanside to Rossville (Maryland) | 2,293.16 mi (3,690.48 km) |
| Oceanside to Roswell (Georgia) | 1,888.56 mi (3,039.34 km) |
| Oceanside to Roswell (New Mexico) | 737.58 mi (1,187.02 km) |
| Oceanside to Round Lake (Illinois) | 1,704.05 mi (2,742.40 km) |
| Oceanside to Round Lake Beach (Illinois) | 1,705.80 mi (2,745.22 km) |
| Oceanside to Round Rock (Texas) | 1,165.77 mi (1,876.13 km) |
| Oceanside to Rowland Heights (California) | 61.55 mi (99.06 km) |
| Oceanside to Rowlett (Texas) | 1,200.19 mi (1,931.52 km) |
