| Apex to Robertsville (New Jersey) | 404.65 mi (651.22 km) |
| Apex to Robinson (Texas) | 1,089.05 mi (1,752.66 km) |
| Apex to Robstown (Texas) | 1,229.68 mi (1,978.98 km) |
| Apex to Rochester (Michigan) | 531.90 mi (856.00 km) |
| Apex to Rochester (Minnesota) | 919.14 mi (1,479.21 km) |
| Apex to Rochester (New Hampshire) | 670.96 mi (1,079.81 km) |
| Apex to Rochester (New York) | 518.69 mi (834.76 km) |
| Apex to Rochester Hills (Michigan) | 531.37 mi (855.16 km) |
| Apex to Rock Hill (South Carolina) | 132.68 mi (213.53 km) |
| Apex to Rock Island (Illinois) | 745.56 mi (1,199.86 km) |
| Apex to Rock Springs (Wyoming) | 1,677.39 mi (2,699.50 km) |
| Apex to Rockford (Illinois) | 708.58 mi (1,140.35 km) |
| Apex to Rockledge (Florida) | 522.99 mi (841.67 km) |
| Apex to Rocklin (California) | 2,318.97 mi (3,732.03 km) |
| Apex to Rockport (Texas) | 1,190.09 mi (1,915.26 km) |
