| Martin to Carson (California) | 6,133.30 mi (9,870.59 km) |
| Martin to Carson City (Nevada) | 5,840.03 mi (9,398.63 km) |
| Martin to Carteret (New Jersey) | 4,307.68 mi (6,932.54 km) |
| Martin to Cartersville (Georgia) | 5,030.31 mi (8,095.50 km) |
| Martin to Carthage (Missouri) | 5,217.59 mi (8,396.91 km) |
| Martin to Cary (Illinois) | 4,742.20 mi (7,631.84 km) |
| Martin to Cary (North Carolina) | 4,717.50 mi (7,592.08 km) |
| Martin to Casa de Oro-Mount Helix (California) | 6,166.00 mi (9,923.21 km) |
| Martin to Casa Grande (Arizona) | 6,013.13 mi (9,677.20 km) |
| Martin to Casas Adobes (Arizona) | 6,025.04 mi (9,696.37 km) |
| Martin to Cascades (Virginia) | 4,502.60 mi (7,246.23 km) |
| Martin to Casper (Wyoming) | 5,273.31 mi (8,486.57 km) |
| Martin to Casselberry (Florida) | 5,176.70 mi (8,331.09 km) |
| Martin to Castaic (California) | 6,102.94 mi (9,821.73 km) |
| Martin to Castle Pines (Colorado) | 5,426.11 mi (8,732.48 km) |
