| Apex to Rockville (Maryland) | 250.56 mi (403.24 km) |
| Apex to Rockville Centre (New York) | 444.08 mi (714.67 km) |
| Apex to Rockwall (Texas) | 1,019.34 mi (1,640.48 km) |
| Apex to Rocky Mount (North Carolina) | 62.28 mi (100.24 km) |
| Apex to Rocky Point (New York) | 482.72 mi (776.87 km) |
| Apex to Rocky River (Ohio) | 428.30 mi (689.29 km) |
| Apex to Roessleville (New York) | 552.94 mi (889.87 km) |
| Apex to Rogers (Arkansas) | 853.92 mi (1,374.26 km) |
| Apex to Rogers (Minnesota) | 1,009.64 mi (1,624.85 km) |
| Apex to Rohnert Park (California) | 2,401.13 mi (3,864.25 km) |
| Apex to Rolla (Missouri) | 728.32 mi (1,172.13 km) |
| Apex to Rolling Meadows (Illinois) | 658.59 mi (1,059.90 km) |
| Apex to Roma (Texas) | 1,350.01 mi (2,172.64 km) |
| Apex to Rome (Georgia) | 371.11 mi (597.24 km) |
| Apex to Rome (New York) | 548.74 mi (883.11 km) |
