| Mentor to Cibolo (Texas) | 1,260.71 mi (2,028.92 km) |
| Mentor to Cicero (Illinois) | 331.10 mi (532.86 km) |
| Mentor to Cimarron Hills (Colorado) | 1,243.08 mi (2,000.54 km) |
| Mentor to Cincinnati (Ohio) | 242.45 mi (390.18 km) |
| Mentor to Cinco Ranch (Texas) | 1,152.93 mi (1,855.47 km) |
| Mentor to Circleville (Ohio) | 166.50 mi (267.95 km) |
| Mentor to Citrus (California) | 2,043.74 mi (3,289.08 km) |
| Mentor to Citrus Heights (California) | 2,099.83 mi (3,379.35 km) |
| Mentor to Citrus Park (Florida) | 943.33 mi (1,518.14 km) |
| Mentor to Claiborne (Louisiana) | 869.20 mi (1,398.84 km) |
| Mentor to Claremont (California) | 2,034.49 mi (3,274.19 km) |
| Mentor to Claremont (New Hampshire) | 472.56 mi (760.51 km) |
| Mentor to Claremore (Oklahoma) | 850.16 mi (1,368.20 km) |
| Mentor to Clarksburg (Maryland) | 273.42 mi (440.03 km) |
| Mentor to Clarksburg (West Virginia) | 174.36 mi (280.60 km) |
