| San Mateo to River Grove (Illinois) | 1,843.67 mi (2,967.10 km) |
| San Mateo to River Ridge (Louisiana) | 1,906.35 mi (3,067.97 km) |
| San Mateo to Riverbank (California) | 75.85 mi (122.06 km) |
| San Mateo to Riverdale (Georgia) | 2,133.70 mi (3,433.86 km) |
| San Mateo to Riverdale (Illinois) | 1,854.87 mi (2,985.12 km) |
| San Mateo to Riverside (California) | 371.90 mi (598.52 km) |
| San Mateo to Riverside (Ohio) | 2,050.39 mi (3,299.79 km) |
| San Mateo to Riverton (Utah) | 591.53 mi (951.97 km) |
| San Mateo to Riverton (Wyoming) | 823.32 mi (1,325.00 km) |
| San Mateo to Riverview (Florida) | 2,402.00 mi (3,865.64 km) |
| San Mateo to Riverview (Michigan) | 2,080.51 mi (3,348.26 km) |
| San Mateo to Riviera Beach (Florida) | 2,556.56 mi (4,114.38 km) |
| San Mateo to Riviera Beach (Maryland) | 2,456.63 mi (3,953.56 km) |
| San Mateo to Roanoke (Virginia) | 2,304.18 mi (3,708.22 km) |
| San Mateo to Roanoke Rapids (North Carolina) | 2,442.23 mi (3,930.38 km) |
