| Mentor to Darby (Pennsylvania) | 340.31 mi (547.68 km) |
| Mentor to Dardenne Prairie (Missouri) | 535.12 mi (861.20 km) |
| Mentor to Darien (Illinois) | 342.70 mi (551.52 km) |
| Mentor to Davenport (Iowa) | 478.60 mi (770.23 km) |
| Mentor to Davidson (North Carolina) | 429.63 mi (691.42 km) |
| Mentor to Davie (Florida) | 1,080.23 mi (1,738.46 km) |
| Mentor to Davis (California) | 2,125.88 mi (3,421.27 km) |
| Mentor to Dayton (Nevada) | 1,999.79 mi (3,218.35 km) |
| Mentor to Dayton (Ohio) | 199.67 mi (321.34 km) |
| Mentor to Daytona Beach (Florida) | 863.06 mi (1,388.97 km) |
| Mentor to De Pere (Wisconsin) | 389.34 mi (626.58 km) |
| Mentor to De Witt (New York) | 283.74 mi (456.64 km) |
| Mentor to Dearborn (Michigan) | 105.55 mi (169.87 km) |
| Mentor to Dearborn Heights (Michigan) | 108.65 mi (174.86 km) |
| Mentor to DeBary (Florida) | 884.93 mi (1,424.16 km) |
