| South San Francisco to Rheinbach | 5,607.35 mi (9,024.15 km) |
| South San Francisco to Rheinberg | 5,548.49 mi (8,929.43 km) |
| South San Francisco to Rheine | 5,530.60 mi (8,900.64 km) |
| South San Francisco to Rheinfelden (Baden) | 5,798.31 mi (9,331.48 km) |
| South San Francisco to Ribnitz-Damgarten | 5,544.73 mi (8,923.38 km) |
| South San Francisco to Richterich | 5,573.66 mi (8,969.94 km) |
| South San Francisco to Riedlingen | 5,812.26 mi (9,353.93 km) |
| South San Francisco to Riegelsberg | 5,679.70 mi (9,140.59 km) |
| South San Francisco to Rielasingen-Worblingen | 5,818.18 mi (9,363.45 km) |
| South San Francisco to Riesa | 5,732.18 mi (9,225.05 km) |
| South San Francisco to Rietberg | 5,583.02 mi (8,985.00 km) |
| South San Francisco to Rinteln | 5,578.15 mi (8,977.16 km) |
| South San Francisco to Ritterhude | 5,515.12 mi (8,875.72 km) |
| South San Francisco to Rodenbach | 5,689.72 mi (9,156.72 km) |
| South San Francisco to Rodental | 5,735.21 mi (9,229.93 km) |
