| South San Francisco to River Grove (Illinois) | 1,846.77 mi (2,972.08 km) |
| South San Francisco to River Ridge (Louisiana) | 1,912.98 mi (3,078.65 km) |
| South San Francisco to Riverbank (California) | 80.87 mi (130.15 km) |
| South San Francisco to Riverdale (Georgia) | 2,139.06 mi (3,442.49 km) |
| South San Francisco to Riverdale (Illinois) | 1,858.06 mi (2,990.25 km) |
| South San Francisco to Riverside (California) | 380.94 mi (613.07 km) |
| South San Francisco to Riverside (Ohio) | 2,054.08 mi (3,305.72 km) |
| South San Francisco to Riverton (Utah) | 594.19 mi (956.26 km) |
| South San Francisco to Riverton (Wyoming) | 824.67 mi (1,327.18 km) |
| South San Francisco to Riverview (Florida) | 2,408.40 mi (3,875.94 km) |
| South San Francisco to Riverview (Michigan) | 2,083.46 mi (3,353.01 km) |
| South San Francisco to Riviera Beach (Florida) | 2,562.96 mi (4,124.69 km) |
| South San Francisco to Riviera Beach (Maryland) | 2,460.19 mi (3,959.29 km) |
| South San Francisco to Roanoke (Virginia) | 2,308.37 mi (3,714.96 km) |
| South San Francisco to Roanoke Rapids (North Carolina) | 2,446.50 mi (3,937.26 km) |
