| Apex to Reidsville (North Carolina) | 61.55 mi (99.05 km) |
| Apex to Reisterstown (Maryland) | 281.38 mi (452.84 km) |
| Apex to Rendon (Texas) | 1,070.38 mi (1,722.61 km) |
| Apex to Reno (Nevada) | 2,238.03 mi (3,601.76 km) |
| Apex to Renton (Washington) | 2,345.59 mi (3,774.86 km) |
| Apex to Republic (Missouri) | 815.05 mi (1,311.69 km) |
| Apex to Reston (Virginia) | 238.17 mi (383.30 km) |
| Apex to Revere (Massachusetts) | 625.71 mi (1,006.98 km) |
| Apex to Rexburg (Idaho) | 1,821.60 mi (2,931.58 km) |
| Apex to Reynoldsburg (Ohio) | 362.37 mi (583.17 km) |
| Apex to Rialto (California) | 2,170.78 mi (3,493.54 km) |
| Apex to Richardson (Texas) | 1,033.50 mi (1,663.25 km) |
| Apex to Richfield (Minnesota) | 985.52 mi (1,586.03 km) |
| Apex to Richfield (Wisconsin) | 719.53 mi (1,157.97 km) |
| Apex to Richland (Washington) | 2,202.74 mi (3,544.97 km) |
