| San Gwann to Castle Rock (Colorado) | 5,959.37 mi (9,590.68 km) |
| San Gwann to Castro Valley (California) | 6,640.33 mi (10,686.58 km) |
| San Gwann to Catalina Foothills (Arizona) | 6,546.39 mi (10,535.40 km) |
| San Gwann to Cataño (Puerto Rico) | 4,967.75 mi (7,994.83 km) |
| San Gwann to Cathedral City (California) | 6,671.83 mi (10,737.28 km) |
| San Gwann to Catonsville (Maryland) | 4,769.68 mi (7,676.06 km) |
| San Gwann to Cave Spring (Virginia) | 4,994.06 mi (8,037.16 km) |
| San Gwann to Cayce (South Carolina) | 5,165.43 mi (8,312.95 km) |
| San Gwann to Cayey (Puerto Rico) | 4,980.88 mi (8,015.95 km) |
| San Gwann to Cedar City (Utah) | 6,346.44 mi (10,213.62 km) |
| San Gwann to Cedar Falls (Iowa) | 5,330.04 mi (8,577.88 km) |
| San Gwann to Cedar Hill (Texas) | 5,955.39 mi (9,584.28 km) |
| San Gwann to Cedar Lake (Indiana) | 5,168.50 mi (8,317.90 km) |
| San Gwann to Cedar Mill (Oregon) | 6,211.38 mi (9,996.25 km) |
| San Gwann to Cedar Park (Texas) | 6,087.73 mi (9,797.25 km) |
