| Rancho Cucamonga to Rodgau | 5,766.82 mi (9,280.80 km) |
| Rancho Cucamonga to Roding | 5,915.75 mi (9,520.48 km) |
| Rancho Cucamonga to Rodinghausen | 5,640.75 mi (9,077.91 km) |
| Rancho Cucamonga to Roetgen | 5,654.05 mi (9,099.32 km) |
| Rancho Cucamonga to Rommerskirchen | 5,649.76 mi (9,092.41 km) |
| Rancho Cucamonga to Ronnenberg | 5,670.75 mi (9,126.19 km) |
| Rancho Cucamonga to Rosbach vor der Hohe | 5,746.95 mi (9,248.82 km) |
| Rancho Cucamonga to Rosdorf | 5,720.00 mi (9,205.45 km) |
| Rancho Cucamonga to Rosenheim | 5,976.51 mi (9,618.26 km) |
| Rancho Cucamonga to Rosrath | 5,671.25 mi (9,127.00 km) |
| Rancho Cucamonga to Rossdorf | 5,771.13 mi (9,287.73 km) |
| Rancho Cucamonga to Rosstal | 5,857.84 mi (9,427.28 km) |
| Rancho Cucamonga to Rostock | 5,645.77 mi (9,085.98 km) |
| Rancho Cucamonga to Rotenburg an der Fulda | 5,741.13 mi (9,239.46 km) |
| Rancho Cucamonga to Roth | 5,872.00 mi (9,450.07 km) |
