| Ada to Carson (California) | 6,352.07 mi (10,222.67 km) |
| Ada to Carson City (Nevada) | 6,063.16 mi (9,757.72 km) |
| Ada to Carteret (New Jersey) | 4,475.68 mi (7,202.91 km) |
| Ada to Cartersville (Georgia) | 5,202.01 mi (8,371.82 km) |
| Ada to Carthage (Missouri) | 5,409.54 mi (8,705.82 km) |
| Ada to Cary (Illinois) | 4,933.75 mi (7,940.10 km) |
| Ada to Cary (North Carolina) | 4,882.17 mi (7,857.10 km) |
| Ada to Casa de Oro-Mount Helix (California) | 6,382.70 mi (10,271.96 km) |
| Ada to Casa Grande (Arizona) | 6,223.84 mi (10,016.30 km) |
| Ada to Casas Adobes (Arizona) | 6,234.30 mi (10,033.14 km) |
| Ada to Cascades (Virginia) | 4,672.07 mi (7,518.98 km) |
| Ada to Casper (Wyoming) | 5,486.82 mi (8,830.18 km) |
| Ada to Casselberry (Florida) | 5,330.65 mi (8,578.85 km) |
| Ada to Castaic (California) | 6,322.48 mi (10,175.05 km) |
| Ada to Castle Pines (Colorado) | 5,634.75 mi (9,068.26 km) |
