| Mentor to Reidsville (North Carolina) | 380.38 mi (612.16 km) |
| Mentor to Reisterstown (Maryland) | 283.06 mi (455.55 km) |
| Mentor to Rendon (Texas) | 1,075.62 mi (1,731.04 km) |
| Mentor to Reno (Nevada) | 2,008.34 mi (3,232.12 km) |
| Mentor to Renton (Washington) | 2,025.54 mi (3,259.80 km) |
| Mentor to Republic (Missouri) | 717.64 mi (1,154.93 km) |
| Mentor to Reston (Virginia) | 282.81 mi (455.13 km) |
| Mentor to Revere (Massachusetts) | 532.13 mi (856.38 km) |
| Mentor to Rexburg (Idaho) | 1,543.31 mi (2,483.72 km) |
| Mentor to Reynoldsburg (Ohio) | 141.80 mi (228.20 km) |
| Mentor to Rialto (California) | 2,017.93 mi (3,247.55 km) |
| Mentor to Richardson (Texas) | 1,034.78 mi (1,665.33 km) |
| Mentor to Richfield (Minnesota) | 639.23 mi (1,028.74 km) |
| Mentor to Richfield (Wisconsin) | 367.72 mi (591.79 km) |
| Mentor to Richland (Washington) | 1,894.86 mi (3,049.48 km) |
