| Valley Center to Robbinsdale (Minnesota) | 1,499.62 mi (2,413.41 km) |
| Valley Center to Robertsville (New Jersey) | 2,390.57 mi (3,847.25 km) |
| Valley Center to Robinson (Texas) | 1,166.15 mi (1,876.74 km) |
| Valley Center to Robstown (Texas) | 1,209.17 mi (1,945.97 km) |
| Valley Center to Rochester (Michigan) | 1,943.21 mi (3,127.30 km) |
| Valley Center to Rochester (Minnesota) | 1,511.21 mi (2,432.05 km) |
| Valley Center to Rochester (New Hampshire) | 2,557.70 mi (4,116.23 km) |
| Valley Center to Rochester (New York) | 2,223.57 mi (3,578.49 km) |
| Valley Center to Rochester Hills (Michigan) | 1,941.16 mi (3,123.99 km) |
| Valley Center to Rock Hill (South Carolina) | 2,051.82 mi (3,302.09 km) |
| Valley Center to Rock Island (Illinois) | 1,551.70 mi (2,497.21 km) |
| Valley Center to Rock Springs (Wyoming) | 718.17 mi (1,155.78 km) |
| Valley Center to Rockford (Illinois) | 1,640.12 mi (2,639.52 km) |
| Valley Center to Rockledge (Florida) | 2,169.32 mi (3,491.18 km) |
| Valley Center to Rocklin (California) | 451.87 mi (727.21 km) |
