| San Mateo to Rockport (Texas) | 1,600.22 mi (2,575.31 km) |
| San Mateo to Rockville (Maryland) | 2,424.79 mi (3,902.32 km) |
| San Mateo to Rockville Centre (New York) | 2,585.05 mi (4,160.24 km) |
| San Mateo to Rockwall (Texas) | 1,489.89 mi (2,397.75 km) |
| San Mateo to Rocky Mount (North Carolina) | 2,442.92 mi (3,931.51 km) |
| San Mateo to Rocky Point (New York) | 2,617.29 mi (4,212.12 km) |
| San Mateo to Rocky River (Ohio) | 2,153.87 mi (3,466.32 km) |
| San Mateo to Roessleville (New York) | 2,552.27 mi (4,107.48 km) |
| San Mateo to Rogers (Arkansas) | 1,551.69 mi (2,497.21 km) |
| San Mateo to Rogers (Minnesota) | 1,570.54 mi (2,527.54 km) |
| San Mateo to Rohnert Park (California) | 58.83 mi (94.68 km) |
| San Mateo to Rolla (Missouri) | 1,661.76 mi (2,674.35 km) |
| San Mateo to Rolling Meadows (Illinois) | 1,833.71 mi (2,951.07 km) |
| San Mateo to Roma (Texas) | 1,561.21 mi (2,512.53 km) |
| San Mateo to Rome (Georgia) | 2,076.51 mi (3,341.82 km) |
