| San Luis Obispo to Rodgau | 5,788.69 mi (9,316.00 km) |
| San Luis Obispo to Roding | 5,933.24 mi (9,548.62 km) |
| San Luis Obispo to Rodinghausen | 5,658.31 mi (9,106.18 km) |
| San Luis Obispo to Roetgen | 5,678.82 mi (9,139.17 km) |
| San Luis Obispo to Rommerskirchen | 5,672.88 mi (9,129.61 km) |
| San Luis Obispo to Ronnenberg | 5,686.32 mi (9,151.25 km) |
| San Luis Obispo to Rosbach vor der Hohe | 5,768.50 mi (9,283.51 km) |
| San Luis Obispo to Rosdorf | 5,736.98 mi (9,232.77 km) |
| San Luis Obispo to Rosenheim | 5,997.47 mi (9,652.00 km) |
| San Luis Obispo to Rosrath | 5,693.90 mi (9,163.44 km) |
| San Luis Obispo to Rossdorf | 5,793.56 mi (9,323.83 km) |
| San Luis Obispo to Rosstal | 5,877.71 mi (9,459.25 km) |
| San Luis Obispo to Rostock | 5,653.64 mi (9,098.66 km) |
| San Luis Obispo to Rotenburg an der Fulda | 5,759.48 mi (9,268.99 km) |
| San Luis Obispo to Roth | 5,891.84 mi (9,482.00 km) |
